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Dell Gaming Monitor - S2522HG
User’s Guide
Model: S2522HG
Regulatory model: S2522HGb
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2021 Dell Inc. or its subsidiaries. All rights reserved.
Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
2021 - 09
Rev. A02
Contents
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 6
About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Identifying parts and controls . . . . . . . . . . . . . . . . . . . . . 10
Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Resolution specifications . . . . . . . . . . . . . . . . . . . . . . . . . 16
Supported video modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Plug and Play capability . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . . 22
USB 3.2 Gen1 (5 Gbps) upstream connector . . . . . . . . . . . . . . . . 22
USB 3.2 Gen1 (5 Gbps) downstream connector . . . . . . . . . . . . . . 23
USB ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
LCD monitor quality and pixel policy . . . . . . . . . . . . . . . . 24
Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Handling and moving your display . . . . . . . . . . . . . . . . . . 26
Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 27
│ 3
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 28
Setting up the stand. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Connecting your monitor . . . . . . . . . . . . . . . . . . . . . . . . . 31
Connecting the DisplayPort (DP to DP) cable and the power
cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Connecting the HDMI cable and the power cable . . . . . . . . . . . . . 31
Organizing your cables . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Securing your monitor using Kensington lock (optional) . 33
Removing the monitor stand . . . . . . . . . . . . . . . . . . . . . . 34
VESA wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 35
Operating the monitor . . . . . . . . . . . . . . . . . . . . . . 36
Turning on the monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Using the joystick control . . . . . . . . . . . . . . . . . . . . . . . . 36
Using the rear-panel controls . . . . . . . . . . . . . . . . . . . . . 37
Using the On-Screen Display (OSD) menu . . . . . . . . . . . 38
Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
OSD warning message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Locking the rear-panel control buttons . . . . . . . . . . . . . . 52
Setting the maximum resolution . . . . . . . . . . . . . . . . . . . 53
Setting the maximum frame rate . . . . . . . . . . . . . . . . . . . 53
Using the tilt and vertical extension . . . . . . . . . . . . . . . . 54
Tilt and swivel extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Vertical extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Rotating the display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Rotate clockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Rotate counterclockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Adjusting the rotation display settings of your system . . 57
4 │
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Product specific problems . . . . . . . . . . . . . . . . . . . . . . . . 64
Universal Serial Bus (USB) specific problems . . . . . . . . . 65
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Contact Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
│ 5
Safety instructions
CAUTION: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards.
• Place the monitor on a solid surface and handle it carefully. The screen is fragile and can be damaged if dropped or hit sharply.
• Always be sure that your monitor is electrically rated to operate with the AC power available in your location.
• Keep the monitor in room temperature. Excessive cold or hot conditions can have an adverse effect on the liquid crystal of the display.
• Do not subject the monitor to severe vibration or high impact conditions. For example, do not place the monitor inside a car trunk.
• Unplug the monitor when it is going to be left unused for an extended period of time.
• To avoid electric shock, do not attempt to remove any cover or touch the inside of the monitor.
6 │ Safety instructions
About your monitor
Package contents
Your monitor ships with the components shown in the table below. If any component is missing, contact Dell. For more information, see
NOTE: Some items may be optional and may not ship with your monitor.
Some features may not be available in certain countries.
NOTE: If you are connecting a stand that you purchased from any other source, follow the setup instructions that are included with the stand.
Component image Component description
Display
Stand riser
Stand base
About your monitor │ 7
Power cable (varies by country)
DisplayPort to DisplayPort
1.2 cable
HDMI 2.0 cable
SuperSpeed USB 5 Gbps
(USB 3.2 Gen1) upstream cable (enables the USB ports on the monitor)
• Quick Setup Guide
• Safety, Environmental, and Regulatory
Information
Product features
The Dell S2522HG monitor has an active matrix, Thin-Film Transistor (TFT), Liquid
Crystal Display (LCD), and LED backlight. The monitor features include:
• 62.20 cm (24.50 in.) viewable area (measured diagonally).
1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.
• NVIDIA
®
G-SYNC
®
Compatible Certification and AMD FreeSync™ Premium
Technology minimizes graphic distortions like screen tearing and stuttering for smoother, fluid gameplay.
8 │ About your monitor
• Supports a high refresh rate of 240 Hz and a rapid response time of 1 ms gray to gray in Extreme mode*
• Color gamut of 99% sRGB
• Tilt, swivel, pivot, and height adjustment capabilities
• Digital connectivity with DisplayPort and HDMI
• Equipped with one SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Type B upstream port, one SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream charging port, and three SuperSpeed USB 5 Gbps (USB 3.2 Gen1) Type-A downstream ports.
• Enabled with gaming console VRR supportability.
• Removable stand and Video Electronics Standards Association (VESA™)
100 mm mounting holes for flexible mounting solutions.
• Plug-and-play capability if supported by your system.
• On-Screen Display (OSD) adjustments for ease of setup and screen optimization.
• Game enhanced features such as Timer , Frame Rate , and Dark Stabilizer in addition to enhanced game modes such as FPS , MOBA/RTS , SPORTS , or
RPG , and 3 additional game modes to personalize your preferences.
• Power and OSD buttons lock
• Security lock slot
• Stand lock
• < 0.3 W in Standby Mode
• Optimize eye comfort with a flicker-free screen and ComfortView feature which minimizes blue light emission.
WARNING: The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, including eye fatigue, digital eye strain, and so on. ComfortView feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort.
*1 ms is achievable in Extreme mode to reduce visible motion blur and increased image responsiveness. However this may introduce some slight and noticeable visual artifacts into the image. As every system setup and every gamer's needs are different, we recommend that users experiment with the different modes to find the setting that is right for them.
About your monitor │ 9
Identifying parts and controls
Front view
Label
1
2
Description
Power On/Off button (with
LED indicator)
Downlights
Use
To turn the monitor on or off.
Solid white light indicates that the monitor is turned on and functioning normally. Blinking white light indicates that the monitor is in Standby Mode.
When the monitor setup is complete, tap the touch sensor at the bottom of the display to turn the downlights on or off
NOTE: On monitors that are manufactured from August 2021, the downlights can be turned on or off only using the OSD menu.
10 │ About your monitor
Side view
Back view
Back view without monitor stand Back view with monitor stand
Label
1
2
3
4
Joystick
Description
Function buttons
VESA mounting holes (100 mm x 100 mm - behind attached
VESA Cover)
Regulatory label
Use
Use it to navigate the OSD menu.
For more information, see Operating the monitor
.
Wall-mount the monitor using VESAcompatible wall mount kit (100 mm x
100 mm).
Lists the regulatory approvals.
About your monitor │ 11
5
6
Stand release button
Barcode, serial number, and
Service Tag label
7 Cable-management slot
Releases stand from the monitor.
Refer to this label if you need to contact Dell for technical support.
The Service Tag is a unique alphanumeric identifier that enables
Dell service technicians to identify the hardware components in your monitor and access warranty information.
Organizes the cables when the cables are routed through the slot.
Bottom view
Bottom view without monitor stand
Label
1
2
3
4
Description
Power connector
Use
Connect the power cable (shipped with your monitor).
Security lock slot Secure the monitor with a security lock
(security lock not included).
HDMI port (HDMI 1) Connect to your computer with the HDMI cable (shipped with your monitor).
HDMI port (HDMI 2) Connect to your computer with the HDMI cable (shipped with your monitor).
12 │ About your monitor
5
6
7
8
9
Stand lock feature
DisplayPort
SuperSpeed USB
5 Gbps (USB 3.2
Gen1) Type-B upstream port
SuperSpeed USB
5 Gbps (USB 3.2
Gen1) Type-A downstream port (3)
Downlights
Lock the stand to the monitor using a M3 x
6 mm screw (screw not included).
Connect to your computer with the
DisplayPort cable (shipped with your monitor).
Connect the USB cable (shipped with your monitor) from this port to your computer to enable the USB ports on your monitor.
Connect your USB 3.2 Gen1 (5 Gbps) device.*
NOTE: To use these ports, you must connect the USB cable (shipped with your monitor) to the USB-upstream port on the monitor and to your computer.
When the monitor setup is complete, tap the touch sensor at the bottom of the display to turn the downlights on or off. The factory setting is on, so the downlights are active if the power cable is connected (see
10 SuperSpeed USB
5 Gbps (USB 3.2
Gen1) Type-A downstream port with
Power Charging
NOTE: On monitors that are manufactured from August 2021, the downlights can be turned on or off only using the OSD menu.
Connect to your computer to charge your USB device.
About your monitor │ 13
11 Headphone out port Connect the headphones to the monitor.
CAUTION: Increasing the audio output beyond
50% on the volume control or equalizer may increase the output voltage on the headphones thereby increasing the sound pressure levels.
*To avoid signal interference, when a wireless USB device has been connected to a
USB downstream port, it is not recommended to connect any other USB devices to the adjacent port.
Monitor specifications
Model
Screen type
Panel technology
Aspect ratio
Viewable image
Diagonal
Width (active area)
Height (active area)
Total area
Pixel pitch
Pixel per inch (PPI)
Viewing angle
Vertical
Horizontal
Luminance output
Contrast ratio
Faceplate coating
Backlight
S2522HG
Active matrix - TFT LCD
Fast IPS
16:9
622 mm (24.50 in.)
543.74 mm (21.40 in.)
302.62 mm (11.91 in.)
164545.63 mm
2
(255.04 in.
2
)
0.2832 x 0.2802 mm
90
178° (typical)
178° (typical)
400 cd/m² (typical)
1000 to 1 (typical)
Anti-glare treatment of the polarizer (Haze 25%, 3H)
White LED edgelight system
14 │ About your monitor
Response time
Color depth
Color gamut
Connectivity
1 ms gray to gray in Extreme Mode*
2 ms gray to gray in Super Fast Mode
4 ms gray to gray in Fast Mode
*1 ms is achievable in Extreme mode to reduce visible motion blur and increased image responsiveness.
However this may introduce some slight and noticeable visual artifacts into the image. As every system setup and every gamer's needs are different, we recommend that users experiment with the different modes to find the setting that is right for them.
16.78 million colors (8 bit) sRGB 99% (typical)
• 1 x DisplayPort version 1.2
• 2 x HDMI ports version 2.0
• 1 x Headphone out port
• 1 x USB 3.2 Gen1 (5 Gbps) upstream port
• 4 x USB 3.2 Gen1 (5 Gbps) downstream ports with
BC1.2 charging at 2 A (maximum)
Border width (edge of monitor to active area)
Top
Left/Right
Bottom
Adjustability
5.84 mm
5.83 mm/5.83 mm
18.79 mm
Height adjustable stand
Tilt
Swivel
Pivot
Dell Display Manager compatibility
Security
0 to 130 mm
-5° to 21°
-45° to 45°
-90° to 90°
Easy Arrange and other key features
Security lock slot (cable lock sold separately)
About your monitor │ 15
Resolution specifications
Model
Horizontal scan range
Vertical scan range
S2522HG
30 kHz to 255 kHz (automatic)
48 Hz to 240 Hz (automatic)
Maximum preset resolution 1920 x 1080 at 240 Hz
Supported video modes
Model
Video display capabilities (HDMI
& DisplayPort)
S2522HG
480i, 480p, 576i, 576p, 720p, 1080i, 1080p, FHD
Preset display modes
Display mode
720 x 400
VESA, 640 x 480
VESA, 640 x 480
VESA, 800 x 600
VESA, 800 x 600
VESA, 1024 x 768
VESA, 1024 x 768
VESA, 1152 x 864
VESA, 1280 x 1024
VESA, 1280 x 1024
VESA, 1600 x 900
VESA, 1920 x 1080
1920 x 1080
Horizontal frequency
(kHz)
Vertical frequency
(Hz)
Pixel clock
(MHz)
31.50
31.50
37.50
37.90
46.90
48.40
60.00
67.50
64.00
80.00
60.00
67.50
137.30
70.10
59.90
75.00
60.30
75.00
60.00
75.00
75.00
60.00
75.00
60.00
60.00
120.00
28.30
25.20
31.50
40.00
49.50
65.00
78.80
108.00
108.00
135.00
108.00
148.50
285.50
Sync polarity
(Horizontal
/Vertical)
-/+
-/-
-/-
+/+
+/+
-/-
+/+
+/+
+/+
+/+
+/+
+/+
+/-
16 │ About your monitor
1920 x 1080
1920 x 1080
Electrical specifications
166.60
278.40
144.00
240.00
346.50
567.40
+/-
+/-
Model
Video input signals
AC input voltage/ frequency/current
Inrush current
Power consumption
S2522HG
HDMI 2.0/DisplayPort 1.2, 600 mV for each differential line, 100 Ω input impedance per differential pair
100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 1.50 A
(typical)
• 120 V: 30 A (Max.) at 0°C (cold start)
• 240 V: 60 A (Max.) at 0°C (cold start)
• 0.3 W (Off mode)
1
• 0.3 W (Standby Mode)
1
• 16.8 W (On mode)
1
• 72 W (Max.)
2
• 17.26 W (Pon)
3
• 55.77 kWh (TEC)
3
1
As defined in EU 2019/2021 and EU 2019/2013.
2
Max. brightness and contrast setting with maximum power loading on all USB ports.
3
Pon: Power consumption of On Mode measured with reference to Energy Star test method.
TEC: Total energy consumption in kWh measured with reference to Energy Star test method.
This document is informational only and reflects laboratory performance. Your product may perform differently, depending on the software, components and peripherals you ordered and shall have no obligation to update such information.
Accordingly, the customer should not rely upon this information in making decisions about electrical tolerances or otherwise. No warranty as to accuracy or completeness is expressed or implied.
About your monitor │ 17
Physical characteristics
Model
Signal cable type
S2522HG
• Digital: DisplayPort, 20 pins
• Digital: HDMI, 19 pins
• Universal Serial Bus: USB, 9 pins
NOTE: Dell monitors are designed to work optimally with the video cables that are shipped with your monitor. As Dell does not have control over the different cable suppliers in the market, the type of material, connector and process used to manufacture these cables, Dell does not guarantee video performance on cables that are not shipped with your Dell monitor.
Dimensions (with stand)
Height (extended)
Height (compressed)
Width
Depth
Dimensions (without stand)
Height
Width
Depth
Stand dimensions
505.75 mm (19.91 in.)
375.75 mm (14.79 in.)
555.40 mm (21.87 in.)
200.30 mm (7.89 in.)
327.24 mm (12.88 in.)
555.40 mm (21.87 in.)
68.38 mm (2.69 in.)
Height (extended)
Height (compressed)
Width
Depth
Weight
416.90 mm (16.41 in.)
369.19 mm (14.54 in.)
275.90 mm (10.86 in.)
200.30 mm (7.89 in.)
Weight with packaging 8.54 kg (18.82 lb)
Weight with stand assembly and cables 6.13 kg (13.51 lb)
3.72 kg (8.20 lb) Weight without stand assembly (For wall mount or VESA mount considerations - no cables)
Weight of stand assembly 2.00 kg (4.41 lb)
18 │ About your monitor
Environmental characteristics
Model
Compliant standards
S2522HG
• RoHS-compliant
• BFR/PVC Free monitor (excluding external cables)
• Arsenic-free glass and Mercury-free for the panel only
Temperature
Operating
Non-operating
0°C to 40°C (32°F to 104°F)
• Storage: -20°C to 60°C (-4°F to 140°F)
• Shipping: -20°C to 60°C (-4°F to 140°F)
Humidity
Operating
Non-operating
10% to 80% (non-condensing)
• Storage: 5% to 90% (non-condensing)
• Shipping: 5% to 90% (non-condensing)
Altitude
Operating
Non-operating
Thermal dissipation
5,000 m (16,404 ft) (maximum)
12,192 m (40,000 ft) (maximum)
• 245.66 BTU/hour (maximum)
• 57.32 BTU/hour (typical)
About your monitor │ 19
Pin assignments
DisplayPort connector
11
12
13
14
9
10
7
8
Pin number
1
2
5
6
3
4
15
16
17
18
19
20
ML1 (n)
GND
ML1 (p)
ML0 (n)
GND
ML0 (p)
GND
GND
20-pin side of the connected signal cable
ML3 (n)
GND
ML3 (p)
ML2 (n)
GND
ML2 (p)
AUX (p)
GND
AUX (n)
Hot Plug Detect
Re-PWR
+3.3 V DP_PWR
20 │ About your monitor
HDMI connector
11
12
13
14
7
8
9
10
Pin number
1
2
5
6
3
4
15
16
17
18
19
19-pin side of the connected signal cable
TMDS DATA 2+
TMDS DATA 2 SHIELD
TMDS DATA 2-
TMDS DATA 1+
TMDS DATA 1 SHIELD
TMDS DATA 1-
TMDS DATA 0+
TMDS DATA 0 SHIELD
TMDS DATA 0-
TMDS CLOCK+
TMDS CLOCK SHIELD
TMDS CLOCK-
CEC
Reserved (N.C. on device)
DDC CLOCK (SCL)
DDC DATA (SDA)
DDC/CEC Ground
+5 V POWER
HOT PLUG DETECT
About your monitor │ 21
Plug and Play capability
You can connect the monitor to any Plug and Play-compatible system. The monitor automatically provides the computer system with its Extended Display Identification
Data (EDID) using Display Data Channel (DDC) protocols so that the system can configure itself and optimize the monitor settings. Most monitor installations are automatic; you can select different settings if desired. For more information about
changing the monitor settings, see Operating the monitor .
Universal Serial Bus (USB) interface
This section gives you information about the USB ports that are available on the monitor.
NOTE: This monitor is SuperSpeed USB 5 Gbps (USB 3.2 Gen1) compatible.
Transfer speed
Super-Speed
High speed
Full speed
Data rate
5 Gbps
480 Mbps
12 Mbps
Power consumption*
4.50 W (Max, each port)
4.50 W (Max, each port)
4.50 W (Max, each port)
*Up to 2 A on USB downstream port (with battery icon) with battery charging version-compliant devices or normal USB devices.
USB 3.2 Gen1 (5 Gbps) upstream connector
Pin number
1
2
3
4
VCC
D-
9-pin side of the connector
D+
GND
22 │ About your monitor
7
8
5
6
9
SSTX-
SSTX+
GND
SSRX-
SSRX+
USB 3.2 Gen1 (5 Gbps) downstream connector
Pin number
1
2
5
6
3
4
7
8
9
VCC
D-
9-pin side of the connector
D+
GND
SSRX-
SSRX+
GND
SSTX-
SSTX+
USB ports
• 1 x upstream - rear
• 2 x downstream - rear
• 2 x downstream - bottom
Power charging port - the port with icon; supports up to 2 A fastcharging capability if the device is BC1.2 compatible.
NOTE: SuperSpeed USB 5 Gbps (USB 3.2 Gen1) functionality requires a
SuperSpeed USB 5 Gbps (USB 3.2 Gen1)-capable computer.
About your monitor │ 23
NOTE: The USB ports on the monitor work only when the monitor is turned on or in Standby mode. If you turn off the monitor and then turn it on, the attached peripherals may take a few seconds to resume normal functionality.
LCD monitor quality and pixel policy
During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. For more information on Dell Monitor Quality and Pixel Policy, see www.dell.com/pixelguidelines .
Ergonomics
CAUTION: Improper or prolonged usage of keyboard may result in injury.
CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain.
For comfort and efficiency, observe the following guidelines when setting up and using your computer workstation:
• Position your computer so that the monitor and keyboard are directly in front of you as you work. Special shelves are commercially available to help you correctly position your keyboard.
• To reduce the risk of eye strain and neck/arm/back/shoulder pain from using the monitor for long periods of time, we suggest you to:
1. Set the distance of the screen between 20 to 28 in. (50 - 70 cm) from your eyes.
2. Blink frequently to moisten your eyes or wet your eyes with water after prolonged usage of the monitor.
3. Take regular and frequent breaks for 20 minutes every two hours.
4. Look away from your monitor and gaze at a distant object at 20 feet away for at least 20 seconds during the breaks.
5. Perform stretches to relieve tension in the neck, arm, back, and shoulders during the breaks.
• Make sure that the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor.
• Adjust the tilt of the monitor, its contrast, and brightness settings.
24 │ About your monitor
• Adjust the ambient lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen.
• Use a chair that provides good lower-back support.
• Keep your forearms horizontal with your wrists in a neutral, comfortable position while using the keyboard or mouse.
• Always leave space to rest your hands while using the keyboard or mouse.
• Let your upper arms rest naturally on both sides.
• Ensure that your feet are resting flat on the floor.
• When sitting, make sure that the weight of your legs is on your feet and not on the front portion of your seat. Adjust your chair's height or use a footrest if necessary to maintain a proper posture.
• Vary your work activities. Try to organize your work so that you do not have to sit and work for extended periods of time. Try to stand or get up and walk around at regular intervals.
• Keep the area under your desk clear of obstructions and cables or power cords that may interfere with comfortable seating or present a potential trip hazard.
monitor screen at or below eye level monitor and keyboard positioned directly in front of the user wrists relaxed and flat feet flat on the floor
About your monitor │ 25
Handling and moving your display
To ensure the monitor is handled safely when lifting or moving it, follow the guidelines mentioned below:
• Before moving or lifting the monitor, turn off your computer and the monitor.
• Disconnect all cables from the monitor.
• Place the monitor in the original box with the original packing materials.
• Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor.
• When lifting or moving the monitor, ensure the screen is facing away from you and do not press on the display area to avoid any scratches or damage.
• When transporting the monitor, avoid any sudden shock or vibration to it.
26 │ About your monitor
• When lifting or moving the monitor, do not turn the monitor upside down while holding the stand base or stand riser. This may result in accidental damage to the monitor or cause personal injury.
Maintenance guidelines
Cleaning your monitor
CAUTION: Read and follow the
Safety instructions before cleaning the
monitor.
WARNING: Before cleaning the monitor, unplug the monitor power cable from the electrical outlet.
For best practices, follow the instructions in the list below when unpacking, cleaning, or handling your monitor:
• To clean your anti-static screen, lightly dampen a soft, clean cloth with water.
If possible, use a special screen-cleaning tissue or solution suitable for the anti-static coating. Do not use benzene, thinner, ammonia, abrasive cleaners, or compressed air.
• Use a lightly-dampened, warm cloth to clean the monitor. Avoid using detergent of any kind as some detergents leave a milky film on the monitor.
• If you notice white powder when you unpack your monitor, wipe it off with a cloth.
• Handle your monitor with care as a darker-colored monitor may get scratched and show white scuff marks more than a lighter-colored monitor.
• To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.
About your monitor │ 27
Setting up the monitor
Setting up the stand
NOTE: The stand is not factory-installed.
NOTE: The following steps are specifically for setting up the stand that is shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the setup instructions that are included with the stand.
To set up the monitor stand:
1.
Follow the instructions on the flaps of carton to remove the stand from the cushion that secures it.
2.
Remove the stand base and stand riser from the packaging cushion.
3.
Align and place the stand riser on the stand base.
4.
Open the screw handle at the bottom of the stand base and turn it clockwise to secure the stand assembly.
5.
Close the screw handle.
28 │ Setting up the monitor
6.
Open the protective cover on the monitor to access the VESA slot on the monitor.
NOTE: Before attaching the stand assembly to the display, ensure that the front plate flap is opened to allow space for assembly.
7.
Insert the tabs on the stand riser into the slots on the display back cover and lower the stand assembly to snap it into place.
Setting up the monitor │ 29
8.
Hold the stand riser and lift the monitor carefully, then place it on a flat surface.
NOTE: Hold the stand riser firmly when lifting the monitor to avoid any accidental damage.
9.
Lift the protective cover from the monitor.
30 │ Setting up the monitor
Connecting your monitor
WARNING: Before you begin any of the procedures in this section, follow the
NOTE: Dell monitors are designed to work optimally with Dell-supplied inbox cables. Dell does not guarantee the video quality and performance if non-Dell cables are used.
NOTE: Route the cables through the cable-management slot before connecting them.
NOTE: Do not connect all the cables to the computer at the same time.
NOTE: The images are for the purpose of illustration only. The appearance of the computer may vary.
To connect your monitor to the computer:
1.
Turn off your computer and disconnect the power cable.
2.
Connect the DisplayPort or HDMI cable from your monitor to the computer.
Connecting the DisplayPort (DP to DP) cable and the power cable
Connecting the HDMI cable and the power cable
Setting up the monitor │ 31
Connecting the SuperSpeed USB 5 Gbps (USB 3.2 Gen1) cable and the power cable
After you have completed connecting the DisplayPort/HDMI cable, follow the procedures below to connect the USB cable to the computer and complete your monitor setup:
1.
Connect the USB 3.2 Gen1 upstream port (cable supplied) to a USB 3.2 Gen1 port on your computer (see
2.
Connect the USB 3.2 Gen1 peripherals to the USB 3.2 Gen1 downstream ports on the monitor.
3.
Plug the power cables for your computer and monitor into a nearby outlet.
NOTE: Use the cable slot on the monitor stand to organize the cables.
4.
Turn on the monitor and the computer.
If your monitor displays an image, the installation is complete. If it does not display any image, see
.
32 │ Setting up the monitor
Organizing your cables
After attaching all the necessary cables to your monitor and computer (see
Connecting your monitor for cable attachment), organize all the cables as shown
above.
Securing your monitor using Kensington lock (optional)
The security lock slot is located at the bottom of the monitor (see
For more information on using the Kensington lock (purchased separately), see the documentation that is shipped with the lock.
Secure your monitor to a table using the Kensington security lock.
NOTE: The image is for the purpose of illustration only. The appearance of the lock may vary.
Setting up the monitor │ 33
Removing the monitor stand
NOTE: To prevent scratches on the LCD screen when removing the stand, ensure that the monitor is placed on a soft, clean surface.
NOTE: The following steps are specifically for removing the stand that is shipped with your monitor. If you are removing a stand that you purchased from any other source, follow the setup instructions that were included with the stand.
To remove the stand:
1.
Place the monitor on a soft cloth or cushion.
2.
Press and hold the stand release button.
3.
Lift the stand up and away from the monitor.
34 │ Setting up the monitor
VESA wall mounting (optional)
(Screw dimension: M4 x 10 mm).
Refer to the instructions that come with the VESA-compatible wall mounting kit.
1.
Place the monitor panel on a soft cloth or cushion on a stable flat table.
2.
Remove the monitor stand (see Removing the monitor stand ).
3.
Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover.
4.
Attach the mounting bracket from the wall mounting kit to the monitor.
5.
Mount the monitor on the wall. For more information, see the documentation that is shipped with the wall mounting kit.
NOTE: For use only with UL or CSA or GS-listed wall mount bracket with minimum weight or load bearing capacity of 14.88 kg.
Setting up the monitor │ 35
Operating the monitor
Turning on the monitor
Press the Power button to turn on the monitor.
Using the joystick control
Use the joystick control on the rear of the monitor to make OSD adjustments.
1.
Press the joystick button to launch the OSD main menu.
2.
Move the joystick up/down/left/right to toggle between options.
3.
Press the joystick button again to confirm the settings and exit.
Joystick Description
• When the OSD menu is on, press the button to confirm the selection or save the settings.
• When the OSD menu is off, press the button to launch the OSD main menu. See
36 │ Operating the monitor
• For 2-way (right and left) directional navigation.
• Move right to enter the submenu.
• Move left to exit from the submenu.
• Increases (right) or decreases (left) the parameters of the selected menu item.
• For 2-way (up and down) directional navigation.
• Toggles between the menu items.
• Increases (up) or decreases (down) the parameters of the selected menu item.
Using the rear-panel controls
Use the control buttons on the rear of the monitor to access the OSD menu and shortcut keys.
The following table describes the rear-panel buttons:
1
Rear-panel button Description
Use the MENU button to launch the On-Screen
Display (OSD). See
.
Menu
2 To exit the OSD main menu.
Exit
3 To specify a desired color mode from a preset list.
Shortcut key/
Preset Modes
Operating the monitor │ 37
4 To turn on or off the downlights at the bottom of the monitor.
Shortcut key/
Downlight
5 To directly access the Brightness/Contrast adjustment sliders.
Shortcut key/
Brightness/
Contrast
When you press any of these buttons (excluding the joystick button), the OSD
Status Bar appears to let you know the current settings of some OSD functions.
Using the On-Screen Display (OSD) menu
Accessing the menu system
Icon Menu and
Submenus
Game
Description
Use this menu to personalize your visual gameplay experience.
38 │ Operating the monitor
Preset Modes Allows you to choose from a list of preset color modes.
• Standard : Loads the monitor's default color settings. This is the default preset mode.
• FPS : Loads color settings ideal for First-Person
Shooter (FPS) games.
• MOBA/RTS : Loads color settings ideal for
Multiplayer Online Battle Arena (MOBA) and Real-
Time Strategy (RTS) games.
• RPG : Loads color settings ideal for Role-Playing
Games (RPG).
• SPORTS : Loads color settings ideal for sports games.
• Game 1 / Game 2 / Game 3 : Allows you to customize the settings of color, Response Time , and Dark Stabilizer for your gaming needs.
• ComfortView : Decreases the level of blue light emitted from the screen to make viewing more comfortable for your eyes.
WARNING: The possible long-term effects of blue light emission from the monitor may cause personal injury such as digital eye strain, eye fatigue and damage to the eyes.
Using monitor for extended periods of time may also cause pain in parts of body such as neck, arm, back and shoulder. For more
.
Operating the monitor │ 39
Preset Modes • Warm : Presents colors at lower color temperatures. The screen appears warmer with a red/yellow tint.
• Cool : Presents colors at higher color temperatures. The screen appears cooler with a blue tint.
• Custom Color : Allows you to manually adjust the color settings. Move the joystick to adjust the
Gain , Offset , Hue , and Saturation values and create your own preset color mode.
Game Enhance
Mode
The feature offers three available functions to enhance your gameplay experience.
• Off
Select Off to disable the functions under Game
Enhance Mode .
• Timer
Enable or disable the timer at the upper left corner of the display. The timer shows the time elapsed since the game starts. Select an option from the time-interval list to keep you aware of the remaining time.
• Frame Rate
Select to display the current frames per second when playing games. The higher the rate, the smoother the motion appears.
40 │ Operating the monitor
Game Enhance
Mode
AMD FreeSync
Premium
• Display Alignment
Activating the function may help ensure the perfect alignment of the video contents from multiple displays.
When you select On and set the monitor at the highest frame rate, both input lag and screen tearing are possible to be eliminated, delivering smoother gameplay.
NOTE:
To set the highest frame rate, see Setting the maximum frame rate
.
Response Time Allows you to set the Response Time to Fast ,
Super Fast , or Extreme .
Dark Stabilizer Improves the visibility in the dark gaming scenarios.
The higher the value (0 to 3), the more visible the display image will be in dark environment.
Hue This feature can shift the color of the video image to green or purple. This is used to adjust the desired flesh-tone color.
Use the joystick to adjust the hue level from 0 to 100.
Move the joystick up to increase the green shade of the video image.
Move the joystick down to increase the purple shade of the video image.
NOTE: The Hue adjustment is available only when you select FPS , MOBA/RTS , SPORTS , or RPG preset mode.
Operating the monitor │ 41
Saturation This feature can adjust the color saturation of the video image.
Use the joystick to adjust the saturation level from 0 to 100.
Move the joystick up to increase the colorful appearance of the video image.
Move the joystick down to increase the monochrome appearance of the video image.
NOTE: The Saturation adjustment is available only when you select FPS , MOBA/RTS , SPORTS , or
RPG preset mode.
Reset Game Resets all settings under the Game menu to the factory defaults.
Brightness/
Contrast
Adjusts the brightness and the contrast of the display.
Brightness
Contrast
Brightness adjusts the luminance of the backlight.
Move the joystick up to increase the brightness level or move the joystick down to decrease the brightness level (min. 0 / max. 100).
Adjusts the Brightness first, and then adjust the
Contrast only if further adjustment is necessary.
Move the joystick up to increase the contrast level or move the joystick down to decrease the contrast level (min. 0 / max. 100).
The Contrast function adjusts the degree of difference between darkness and lightness on the monitor screen.
42 │ Operating the monitor
Input Source Selects between the different video signals that may be connected to your monitor.
DP
HDMI 1
HDMI 2
Select the DP input when you are using the
DisplayPort (DP) connector. Press the joystick button to confirm the selection.
Select the HDMI 1 or HDMI 2 input when you are using the HDMI connector. Press the joystick button to confirm the selection.
Auto Select Automatically scans for available input sources. Press the joystick button to confirm the selection.
Reset Input
Source
Resets all settings under the the factory defaults.
Input Source menu to
Operating the monitor │ 43
Display Use the Display menu to adjust images.
Aspect Ratio Adjusts the image ratio to 16:9 , Auto Resize , 4:3 , or
1:1 .
Input Color
Format
Allows you to set the video input mode to:
• RGB : Select this option if your monitor is connected to a computer or a media player that supports RGB output.
• YCbCr : Select this option if your media player supports only YCbCr output.
Sharpness This feature can make the image look sharper or softer. Move the joystick to adjust the sharpness level from 0 to 100.
Reset Display Resets all settings under the Display menu to the factory defaults.
44 │ Operating the monitor
Audio
Volume Adjusts the volume of headphone output.
Use the joystick to adjust the volume from 0 to 100.
Reset Audio Resets all settings under the Audio menu to the factory defaults.
Menu Select this option to adjust the settings of the OSD, such as, the languages of the OSD, the amount of time the menu remains on screen, and so on.
Language Sets the OSD display to one of the eight languages
(English, Spanish, French, German, Brazilian
Portuguese, Russian, Simplified Chinese, or
Japanese).
Transparency Select this option to change the menu transparency by moving the joystick up or down (min. 0/max. 100).
Timer Sets the length of time for the OSD to remain active after you move the joystick or press a button.
Move the joystick to adjust the slider in 1 second increment, from 5 to 60 seconds.
Operating the monitor │ 45
Reset Menu Resets all settings under the Menu menu to the factory defaults.
Personalize
Shortcut Key 1 Allows you to choose a feature from Preset Modes ,
Shortcut Key 2
Game Enhance Mode , AMD FreeSync Premium ,
Dark Stabilizer , Brightness/Contrast , Input
Shortcut Key 3
Source , Aspect Ratio , Volume , or Downlight and set it as a shortcut key.
Power Button
LED
USB
Allows you to set the power LED indicator on or off to save energy.
Allows you to enable or disable USB function during monitor standby mode.
NOTE: USB ON/OFF under standby mode is only available when the USB upstream cable is unplugged.
This option will be greyed out when the USB upstream cable plugs in.
46 │ Operating the monitor
Downlight
Reset
Personalization
Others
The factory default setting of the touch sensor is on, and you can tap the downlights at the bottom of the display to turn them on or off. When the downlights are on, they light up blue (see
To turn off the touch sensor, select Off .
NOTE: On monitors that are manufactured from
August 2021, the downlights can be turned on or off only using the OSD menu.
Resets all settings under the Personalize menu to the factory preset values.
Select this option to adjust the OSD settings, such as
DDC/CI , LCD Conditioning , and so on.
Display Info Displays the monitor's current settings.
Operating the monitor │ 47
DDC/CI DDC/CI (Display Data Channel/Command Interface) allows your monitor parameters (brightness, color balance, etc.) to be adjustable via the software on your computer. You can disable this feature by selecting Off . Enable this feature for best user experience and optimum performance of your monitor.
LCD
Conditioning
Helps reduce minor cases of image retention.
Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting On .
Firmware
Service Tag
Displays the firmware version of your monitor.
Displays the service tag of your monitor. This string is required when you look for phone support, check your warranty status, update drivers on Dell's website, etc.
Reset Others Resets all settings under the Others menu to the factory defaults.
48 │ Operating the monitor
Factory Reset Restores all preset values to the factory default settings.
OSD warning message
When the monitor does not support a particular resolution mode, you will see the following message:
This means that the monitor cannot synchronize with the signal that it is receiving
from the computer. See Monitor specifications
for the Horizontal and Vertical frequency ranges addressable by this monitor. The recommended mode is 1920 x
1080.
NOTE: The message may slightly differ, depending on the connected input signal.
When you adjust the Brightness level above the default level for the first time, the following message appears:
NOTE: If you select Yes, the message will not appear the next time you change the Brightness settings.
Operating the monitor │ 49
When you change the default USB settings for the first time, the following message appears:
NOTE: If you select Yes, the message will not appear the next time you change the USB settings. When you perform a factory reset, the message will appear again.
You will see the following message before the DDC/CI function is disabled:
When the monitor goes into Standby mode, the following message appears:
Activate the computer and wake up the monitor to gain access to the
.
NOTE: The message may slightly differ, depending on the connected input signal.
50 │ Operating the monitor
The OSD functions only in the normal operation mode. If you press any button other than the power button during the Standby mode, the following message will appear depending on the selected input:
NOTE: The message may slightly differ, depending on the connected input signal.
If either HDMI or DP input is selected and the corresponding cable is not connected, a floating dialog box as shown below appears.
NOTE: The message may slightly differ, depending on the connected input signal.
When Factory Reset is selected, the following message appears:
See
Troubleshooting for more information.
Operating the monitor │ 51
Locking the rear-panel control buttons
You can lock the rear-panel control buttons to prevent access to the OSD menu and/or power button.
To lock the button(s):
1.
Press and hold Button 5 for four seconds, a menu appears on the screen.
2.
Select one of the following options:
• Menu Buttons : Choose this option to lock all the OSD menu buttons except the Power button.
• Power Button : Choose this option to lock the Power button only.
• Menu + Power Buttons : Choose this option to lock all the buttons on the rear-panel control.
To unlock the button(s), press and hold Button 5 for four seconds until a menu appears on the screen. Select the Unlock icon to unlock the button(s).
52 │ Operating the monitor
Setting the maximum resolution
NOTE: The steps may vary slightly depending on the version of
Windows you have.
To set the maximum resolution for the monitor:
In Windows
®
7, Windows
®
8, and Windows
®
8.1:
1.
For Windows
®
8 and Windows
®
8.1 only, select the Desktop tile to switch to classic desktop.
2.
Right-click on the desktop and click Screen resolution .
3.
If you have more than 1 monitor connected, ensure to select S2522HG .
4.
Click the dropdown list of the Screen resolution and select 1920 x 1080 .
5.
Click OK .
In Windows
®
10:
1.
Right-click on the desktop and click Display settings .
2.
If you have more than 1 monitor connected, ensure to select S2522HG .
3.
Click the dropdown list of Resolution and select 1920 x 1080 .
4.
Click Keep changes .
Setting the maximum frame rate
NOTE: The steps may vary slightly depending on the version of
Windows you have.
To set the maximum frame rate for the monitor:
In Windows
®
7, Windows
®
8, and Windows
®
8.1:
1.
For Windows
®
8 and Windows
®
8.1 only, select the Desktop tile to switch to classic desktop.
2.
Right-click on the desktop and click Screen resolution .
3.
If you have more than 1 monitor connected, ensure to select S2522HG .
4.
Click Advanced settings .
5.
Click the Monitor tab.
6.
Click the dropdown list of Screen refresh rate and select 240 Hertz .
7.
Click OK .
In Windows
®
10:
1.
Right-click on the desktop and click Display settings .
2.
Click Advanced display settings .
3.
If you have more than 1 monitor connected, ensure to select S2522HG .
Operating the monitor │ 53
4.
Click the Display adapter properties link.
5.
Click the Monitor tab.
6.
Click the dropdown list of Screen refresh rate and select 240 Hertz .
7.
Click OK .
If you do not see 1920 x 1080 as an option, you may need to update your graphics driver. Depending on your computer, complete one of the following procedures:
If you have a Dell desktop or portable computer:
• Go to https://www.dell.com/support , enter your service tag, and download the latest driver for your graphics card.
If you are using a non-Dell computer (portable or desktop):
• Go to the support site for your computer and download the latest graphic drivers.
• Go to your graphics card website and download the latest graphic drivers.
Using the tilt and vertical extension
NOTE: The following instructions are applicable only for attaching the stand that was shipped with your monitor. If you are attaching a stand that you purchased from any other source, follow the setup instructions that are included with the stand.
Tilt and swivel extensions
With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle.
NOTE: The stand is not factory-installed.
54 │ Operating the monitor
Vertical extension
NOTE: The stand extends vertically up to 130 mm. The figure below illustrates how to extend the stand vertically.
Rotating the display
Before you rotate the display, ensure it is completely extended vertically and completely tilted up to avoid hitting the bottom edge of the monitor.
Operating the monitor │ 55
Rotate clockwise
Rotate counterclockwise
NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, you require an updated graphics driver that is not included with this monitor. To download the graphics driver, go to www.dell.com/support and see the Download section for Video
Drivers for latest driver updates.
NOTE: In the Portrait mode, you may experience performance degradation when using graphic-intensive applications such as 3D gaming.
56 │ Operating the monitor
Adjusting the rotation display settings of your system
After you have rotated your monitor, you need to complete the procedure below to adjust the Rotation Display Settings of your system.
NOTE: If you are using the monitor with a non-Dell computer, you need to go the graphics driver website or your computer manufacturer website for information on rotating the 'contents' on your display.
To adjust the Rotation Display Settings:
1.
Right-click on the desktop and click Properties .
2.
Select the Settings tab and click Advanced .
3.
If you have an ATI graphics card, select the Rotation tab and set the preferred rotation.
4.
If you have an NVIDIA graphics card, click the NVIDIA tab, in the left-hand column select NVRotate , and then select the preferred rotation.
5.
If you have an Intel
®
graphics card, select the Intel graphics tab, click
Graphic Properties , select the Rotation tab, and then set the preferred rotation.
NOTE: If you do not see the rotation option or it is not working correctly, go to www.dell.com/support and download the latest driver for your graphics card.
Operating the monitor │ 57
Troubleshooting
WARNING: Before you begin any of the procedures in this section,
follow the Safety instructions .
Self-test
Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:
1.
Turn off both your computer and the monitor.
2.
Unplug the video cable from the back of the computer. To ensure proper selftest operation, remove all digital cables from the back of computer.
3.
Turn on the monitor.
NOTE: A dialog box should appear on-screen (against a black background), if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED lights white (default color) and the downlights light blue (default color).
NOTE: The message may slightly differ, depending on the connected input signal.
4.
This box also appears during normal system operation, if the video cable becomes disconnected or damaged.
5.
Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after you perform the previous procedure, check your video controller and computer, because your monitor is functioning properly.
58 │ Troubleshooting
Built-in diagnostics
Your monitor has a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with your monitor, or with your computer and video card.
To run the built-in diagnostics:
1.
Ensure that the screen is clean (no dust particles on the surface of the screen).
2.
Press and hold Button 5 for four seconds until a menu appears on the screen.
3.
Using the joystick control, highlight the Diagnostics option and press the joystick button to start the diagnostics. A gray screen is displayed.
4.
Observe if the screen has any defects or abnormalities.
5.
Toggle the joystick once again until a red screen is displayed.
6.
Observe if the screen has any defects or abnormalities.
7.
Repeat steps 5 and 6 until the screen displays green, blue, black, and white
colors. Note any abnormalities or defects.
The test is complete when a text screen is displayed. To exit, toggle the joystick control again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.
Troubleshooting │ 59
Common problems
The following table contains general information about common monitor problems you might encounter and the possible solutions:
Common symptoms
No Video/Power
LED off
No Video/Power
LED on
Poor Focus
Shaky/Jittery
Video
What you experience
No picture
Possible solutions
No picture or no brightness
Picture is fuzzy, blurry, or ghosting
Wavy picture or fine movement
• Ensure that the video cable connecting the monitor and the computer is properly connected and secure.
• Verify that the power outlet is functioning properly using any other electrical equipment.
• Ensure that the power button is pressed fully.
• Ensure that the correct input source is selected in the
menu.
• Increase the brightness and contrast controls via OSD.
• Invoke the self-test feature (see Selftest
).
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected in the
• Eliminate video extension cables.
• Reset the monitor to factory settings.
• Change the video resolution to the correct aspect ratio.
• Reset the monitor to factory settings.
• Check environmental factors.
• Relocate the monitor and test it in another room.
60 │ Troubleshooting
Missing Pixels
Stuck-on Pixels
Brightness
Problems
Geometric
Distortion
Horizontal/
Vertical Lines
LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
• Turn the monitor off and then on again.
• Pixel that is permanently off is a natural defect that can occur in LCD technology.
• For more information on Dell Monitor
Quality and Pixel Policy, see Dell
Support site at: www.dell.com/ pixelguidelines
• Turn the monitor off and then on again.
• Pixel that is permanently off is a natural defect that can occur in LCD technology.
• For more information on Dell Monitor
Quality and Pixel Policy, see Dell
Support site at: www.dell.com/ pixelguidelines
• Reset the monitor to factory settings.
• Adjust brightness and contrast controls via OSD.
Reset the monitor to factory settings.
Screen not centered correctly
Screen has one or more lines
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Selftest ) and determine if these lines are
also flagged in the self-test mode.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
Troubleshooting │ 61
Synchronization
Problems
Safety Related
Issues
Intermittent
Problems
Missing Color
Screen is scrambled or appears torn
Visible signs of smoke or sparks
Monitor malfunctions on and off
Picture missing color
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Selftest
) and determine if these lines are also flagged in the self-test mode.
• Check for bent or broken pins in the video cable connector.
• Restart the computer in the safe mode.
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
• Reset the monitor to factory settings.
• Invoke the self-test feature (see Selftest
) to determine if the intermittent problem is flagged in the self-test mode.
• Perform monitor self-test feature check.
• Ensure that the video cable connecting the monitor to the computer is connected properly and is secure.
• Check for bent or broken pins in the video cable connector.
62 │ Troubleshooting
Wrong Color
Image retention from a static image left on the monitor for a long period of time
Picture color not good
Faint shadow from the static image displayed appears on the screen
• Change the settings of the Preset
Modes in the Game menu OSD depending on the application.
• Adjust the Gain / Offset / Hue /
Saturation values under Custom
Color in the Game menu OSD.
• Change the Input Color Format to
RGB or YCbCr / YPbPr in the
Display settings OSD.
• Run the built-in diagnostics.
• Set the screen to turn off after a few minutes of screen idle time. These can be adjusted in Windows Power
Options or Mac Energy Saver setting.
• Alternatively, use a dynamically changing screensaver.
Troubleshooting │ 63
Product specific problems
Common symptoms
What you experience
Screen image is too small
Image is centered on screen, but does not fill entire viewing area
Possible solutions
• Check the
Display
Aspect Ratio
menu OSD.
setting in the
• Reset the monitor to factory settings.
Cannot adjust the monitor with the buttons on the rear panel
No input signal when user controls are pressed
The picture does not fill the entire screen
OSD does not appear on the screen
No picture, the
LED light is white
• Turn Off the monitor, unplug the power cord, plug it back, and then turn On the monitor.
• The OSD menu may be locked. Press and hold the fourth button (the
Brightness/Contrast shortcut key by default) below the joystick button for 4 seconds to unlock.
• Check the signal source. Ensure the computer is not in the power saving mode by moving the mouse or pressing any key on the keyboard.
• Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary.
• Reset the computer or video player.
The picture cannot fill the height or width of the screen
• Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
• Run the built-in diagnostics.
64 │ Troubleshooting
Universal Serial Bus (USB) specific problems
Common symptoms
USB interface is not working
SuperSpeed USB
5 Gbps (USB 3.2
Gen1) interface is slow
Wireless USB peripherals stop working when a
USB 3.2 device is plugged in
What you experience
USB peripherals are not working
Possible solutions
• Check that your monitor is turned On.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals
(downstream connector).
• Turn the monitor off and then on again.
• Reboot the computer.
• Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system.
SuperSpeed USB
5 Gbps (USB 3.2
Gen1) peripherals working slowly or not working at all
• Check that your computer is
SuperSpeed USB 5 Gbps (USB 3.2
Gen1)-compatible.
• Some computers have USB 3.2, USB
2.0, and USB 1.1 ports. Ensure that the correct USB port is used.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals
(downstream connector).
• Reboot the computer.
Wireless USB peripherals responding slowly or only working as the distance between itself and its receiver decreases
• Increase the distance between the
USB 3.2 peripherals and the wireless
USB receiver.
• Position your wireless USB receiver as close as possible to the wireless USB peripherals.
• Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.2 port.
Troubleshooting │ 65
Appendix
WARNING: Safety instructions
WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, and/or mechanical hazards.
For information on safety instructions, see Safety, Environmental, and Regulatory
Information (SERI).
FCC notices (U.S. only) and other regulatory information
For FCC notices and other regulatory information, see the regulatory compliance website located at www.dell.com/regulatory_compliance
Contact Dell
For customers in the United States, call 800-WWW-DELL (800-999-3355).
NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area.
• Online technical assistance — www.dell.com/support/monitors
• Contacting Dell — www.dell.com/contactdell
EU product database for energy label and product information sheet
S2522HG : https://eprel.ec.europa.eu/qr/523345
66 │ Appendix
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Key Features
- Gaming 62.2 cm (24.5") LCD IPS
- Full HD 1920 x 1080 pixels 16:9
- 240 Hz 1 ms 400 cd/m² 1000:1
- NVIDIA G-SYNC AMD FreeSync Flicker-free technology
- E 17 kWh
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