Check List
Note
Before calling for service, check the information in this section to see if you can remedy any problems yourself. If you do need assistance, please call the phone number on the warranty card, the phone number on the Information section or contact your dealer.
Symptom
No images on the screen. I cannot turn on the monitor.
Check List
Is the power cord connected properly?
Can you see "No
Connection, Check Signal
Cable" on the screen?
Solutions
Check the power cord connection and supply.
Check the signal cable connection.
If the power is on, reboot the computer to see the initial screen(the login screen), which can be seen.
If the initial screen (the login screen) appears, boot the computer in the applicable mode (the safe mode for Windows ME/XP/2000)
and then change the frequency of the video card.
(Refer to the Preset Display Modes)
Can you see "Sync. Out of
Range" on the screen?
Note: If the initial screen (the login screen) does not appear, contact a service center or your dealer.
You can see this message when the signal from the video card exceeds the maximum resolution and frequency that the monitor can properly handle.
I cannot see the On Screen
Display.
Adjust the maximum resolution and frequency that the monitor can properly handle.
The monitor is in PowerSaver mode. There is no image on the screen. Is the power indicator on the monitor blinking at 1 second intervals?
Have you locked the On
Screen Display (OSD)
Menu to prevent changes?
Press a key on the keyboard or move the mouse to activate the monitor and restore the image on the screen.
Unlock the OSD by pressing the
MENU button for at least 10 seconds.
y
Check List
Symptom
The image on the screen is shaking.
The screen shows strange colors or just black and white.
Check List
Check the monitor configuration to see if it is in
Interlace Mode. (Interlace
Mode: Vertical frequency
43Hz, 87Hz(i), etc)
Are there any magnetic products such as a power adapter, speaker or a high voltage wire near by?
Is the voltage stable?
Solutions
The signal from the video card exceeds the maximum resolution and frequency of the monitor.
Move the monitor away from anything that can create a strong magnetic field.
Have the screen colors become strange after running a program or due to a crash between applications?
The screen image can appear to shake or vibrate at a particular time of day due to low supply voltage.
The screen image can also appear to shake or vibrate if there is a problem with the video card or the computer's main board.
Check the signal cable connection.
Is the screen displaying only one color as if looking at the screen through a cellophane paper?
Make sure the video card is fully inserted in it's slot.
Reboot the computer.
The screen suddenly has become unbalanced.
Has the video card been set properly?
Have you changed the video card or the driver?
Set the video card by referring to the video card manual.
Adjust screen image position and size using the OSD.
Have you adjusted the resolution or frequency to the monitor?
Adjust the resolution and frequency at the video card.
(Refer to the Preset Display Modes).
The screen can be unbalanced due to the cycle of the video card signals. Readjust Position by referring to the OSD.
Check List
Symptom
The screen is out of focus or OSD cannot be adjusted.
The screen is partially distorted.
LED is blinking but no images on the screen.
Check List
Have you adjusted the resolution or frequency on the monitor?
Are there any magnetic products such as an adapter, speaker or a high voltage wire near the monitor?
Solutions
Adjust the resolution and frequency of the video card.
(Refer to the Preset Display Modes).
Enter the OSD and perform a
"Degauss".
Is the frequency properly adjusted when checking the
Display Timing on the menu?
Keep the monitor away from any magnetic products.
Adjust the frequency properly by referring to the video card manual and the Preset Display Modes.
There are only 16 colors shown on the screen. The screen colors have changed after changing the video card.
Have the Windows colors been set properly?
Has the video card been set properly?
(The maximum frequency per resolution may differ from product to product.)
For Windows ME/XP/2000:
Set the colors properly at the Control
Panel, Display, Settings.
Set the video card by referring to the video card manual.
Check the following items if there is trouble with the monitor.
1. Check if the power cord and the cable are properly connected to the computer.
2. Check if the computer beeps more than 3 times when booting.
(If it does, request an after-service for the main board of the computer.)
3. If you installed a new video card or if you assembled the PC, check if the installed the adapter
(video) driver and the monitor driver.
4. Check if the scanning ratio of the video screen is set at 75Hz or 85Hz.
(Do not exceed 60Hz when using the maximum resolution.)
5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode, remove the Display Adapter at the "Control Panel, System, Device Administrator" and then reboot the computer to reinstall the adapter (video) driver.
Note: If problems repeatedly occur, contact an authorized service center .
Q & A
Question
How can I change the frequency?
How can I adjust the resolution?
How can I set the Power Saving function?
The monitor makes a sound when it is turned on.
How can I clean the outer case/Picture tube?
Answer
Frequency can be changed by reconfiguring the video card.
Note that video card support can vary, depending on the version of the driver used.
(Refer to the computer or the video card manual for details.)
Windows ME/XP/2000: Set the resolution at the Control
Panel, Display, Settings .
* Contact the video card manufacturer for details.
Windows ME/XP/2000: Set the function at BIOS-SETUP of the computer or the screen saver. (Refer to
Windows/Computer Manual).
This is normal as some sound may be generated when the metal case and the electromagnet, which are installed to block any electromagnetic waves, interact with each other.
Disconnect the power cord and then clean the monitor with a soft cloth, using either a cleaning solution or plain water.
Do not leave any remains of the detergent nor scratch the case. Do not allow any water to go inside the monitor.
Self-Test Feature Check
Your monitor provides a self test feature that allows you to check whether your monitor is
functioning properly.
1. Turn off both your computer and the monitor.
2. Unplug the video cable from the back of the computer.
3. Turn on the monitor.
If your monitor works normally, the following screen appears.
Failure of any of the boxes to appear indicates a problem with your monitor. This box also appears during normal operation if the video cable becomes disconnected or damaged.
4. 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 using the previous procedure, check your video controller and computer system; your monitor is functioning properly.
If there is something wrong with the input signal, a message appears on the screen or the screen goes blank although the power indicator LED is still on. The message may indicate that the monitor is out of scan range or that you need to check the signal cable.
The location and the position of the monitor may influence the quality and other
features of the monitor.
1. If there are any woofer speakers near the monitor, unplug and relocate the woofer to another room.
Self-Test Feature Check
2. Remove all electronic devices such as radios, fans, clocks and telephones that are within 3 feet (one meter) of the monitor.
3. Run the despeckling function again after moving your device. l l
A monitor recreates visual signals received from the PC. Therefore, if there is trouble with the
PC or the video card, this can cause the monitor to become blank, have poor coloring, noise,
Sync. Out of Range, etc. In this case, first check the source of the problem, and then contact a service center or your dealer.
Judging the monitor's working condition
If there is no image on the screen or an "Sync. Out of Range" message comes up, disconnect the cable from the computer while the monitor is still powered on.
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If there is a message coming up on the screen or if the screen goes white, this means the monitor is in working condition.
In this case, check the computer for trouble.
