Removal and replacement procedures for authorized service provider parts. HP ProBook x360 435 G8 Notebook PC
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5 Removal and replacement procedures for authorized service provider parts
This chapter provides removal and replacement procedures for authorized service provider parts.
IMPORTANT: Components described in this chapter should be accessed only by an authorized service provider. Accessing these parts can damage the computer or void the warranty.
NOTE: Details about your computer, including model, serial number, product key, and length of warranty, are on the service tag at the bottom of your computer.
Component replacement procedures
To remove and replace computer components, use these procedures.
NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your computer, go to http://partsurfer.hp.com
, select your country or region, and then follow the on-screen instructions.
You must remove, replace, or loosen as many as 45 screws when you service the parts described in this chapter. Make special note of each screw size and location during removal and replacement.
Preparation for disassembly
To remove and replace computer components, use these procedures.
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
Bottom cover
To remove the bottom cover, use this procedure and illustration.
Table 5-1 Bottom cover description and part number
Description
Bottom cover
Spare part number
M46280-001
Remove the bottom cover:
1.
Loosen the seven captive Phillips screws that secure the bottom cover.
30 Chapter 5 Removal and replacement procedures for authorized service provider parts
2.
Starting near the hinges, release the bottom cover from the computer (1).
3.
Remove the bottom cover from the computer (2).
To replace the bottom cover, reverse the removal procedures.
Battery
To remove the battery, use this procedure and illustration.
Table 5-2 Battery description and part number
Description
Battery (3 cell, 45 Whr)
Spare part number
L78125-006
Component replacement procedures 31
WARNING!
To avoid personal injury and damage to the product:
● Do not puncture, twist, or crack the battery.
● Do not cause an external puncture or rupture to the battery. They can cause a short inside the battery, which can result in battery thermal runaway.
● Do not handle or touch the battery enclosure with sharp objects such as tweezers or pliers, which might puncture the battery.
● Do not compress or squeeze the battery case with tools or heavy objects stacked on top of the case.
These actions can apply undue force on the battery.
● Do not touch the connectors with any metallic surface or object, such as metal tools, screws, or coins, which can cause shorting across the connectors.
Before removing the battery, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
WARNING!
To reduce potential safety issues, use only the user-replaceable battery provided with the computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
IMPORTANT: Removing a battery that is the sole power source for the computer can cause loss of information. To prevent loss of information, save your work or shut down the computer through Windows before you remove the battery.
Remove the battery:
1.
Loosen the four captive Phillips screws (1) that secure the battery to the computer.
2.
Lift the top of the battery to remove it from the computer (2).
To insert the battery, reverse the removal procedures.
Touchpad
To remove the touchpad, use this procedure and illustration.
Table 5-3 Touchpad description and part number
Description
Touchpad
32 Chapter 5 Removal and replacement procedures for authorized service provider parts
Spare part number
M46283-001
Table 5-3 Touchpad description and part number
Description
NOTE: The touchpad cable is available in the Cable Kit, spare part number M03431-001.
Spare part number
Before removing the touchpad, follow these steps:
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
Remove the touchpad:
1.
Disconnect the cable from the ZIF connector on the touchpad (1).
2.
Lift the protective shielding from the top of the touchpad (2).
3.
Remove the five Phillips M2.0 × 2.3 screws (3) that secure the touchpad to the computer.
4.
Remove the Phillips M1.6 × 2.0 screw (4) that secures the touchpad to the computer. Note that this screw requires a Phillips P0 screwdriver.
5.
Remove the touchpad from the computer (5).
Reverse this procedure to install the touchpad.
Solid-state drive
To remove the M.2 solid-state drive, use this procedure and illustration.
Table 5-4 Solid-state drive descriptions and part numbers
Description
1 TB, PCIe, TLC
Spare part number
L85348-002
Component replacement procedures 33
Table 5-4 Solid-state drive descriptions and part numbers (continued)
Description
512 GB, PCIe, TLC
512 GB, PCIe, value
256 GB, PCIe, value
128 GB, PCIe, TLC
Before removing the solid-state drive, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
Remove the solid-state drive:
1.
Use the pull tab (1) to remove the cover from the solid-state drive (2).
Spare part number
L85360-002
L85364-002
L85354-002
M06792-002
2.
Remove the Phillips M2.0 × 2.0 screw (1) that secures the drive to the computer.
34 Chapter 5 Removal and replacement procedures for authorized service provider parts
3.
Pull the drive away from the socket to remove it (2).
To install the solid-state drive, reverse the removal procedures.
When installing the solid-state drive cover, be sure that the edges of the cover fit into the clips next to the solid-state drive module.
NOTE: Solid-state drives are designed with a notch to prevent incorrect insertion.
Memory modules
To remove the memory modules, use this procedure and illustration.
Table 5-5 Memory module descriptions and part numbers
Description
16 GB, DDR4-3200
Spare part number
L67710-002
Component replacement procedures 35
Table 5-5 Memory module descriptions and part numbers (continued)
Description
8 GB, DDR4-3200
4 GB, DDR4-3200
Before removing the memory, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
If you are replacing a memory module, remove the existing memory module:
1.
Use the pull tab (1) to remove the cover from the memory modules (2).
Spare part number
L46598-002
L83673-002
36 Chapter 5 Removal and replacement procedures for authorized service provider parts
2.
Spread the two retention clips outward (1) until the memory module tilts up at a 45° angle, and then remove the module (2). Use the same procedure to remove all memory modules.
IMPORTANT: To prevent damage to the memory module, hold the memory module by the edges only.
Do not touch the components on the memory module.
To protect a memory module after removal, place it in an electrostatic-safe container.
To install a memory module:
1.
Align the notched edge of the module with the tab in the slot (1), and then press the module into the slot at an angle until it is seated (2).
2.
Press down on the module until the side retention clips snap into place (3).
Component replacement procedures 37
3.
When installing the memory module cover, be sure that the edges of the cover fit into the clips next to the memory modules.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 5-6 WLAN module descriptions and part numbers
Description
Intel Wireless-AC 9260 802.11ac 2 × 2 WiFi + Bluetooth 5 (non-vPro)
Intel Wi-Fi 6 AX200 802.11ax 2 × 2 Wi-Fi + Bluetooth 5 (non-vPro)
Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth 5
Spare part number
L16647-002
L35282-002
L44796-002
IMPORTANT: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support.
Before removing the WLAN module, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
Remove the WLAN module:
1.
Carefully disconnect the two antenna cables from the module (1).
38 Chapter 5 Removal and replacement procedures for authorized service provider parts
2.
Remove the Phillips M2.0 × 2.5 screw (2), and then remove the WLAN module (3).
NOTE: Models have either one or two WLAN antennas. On models with two antennas, the #1 white
WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2 black WLAN antenna cable connects to the WLAN module #1 Aux terminal.
3.
If the WLAN antenna is not connected to the terminal on the WLAN module, you must install a protective sleeve on the antenna connector, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
RTC battery
To remove the RTC battery, use this procedure and illustration.
Component replacement procedures 39
Table 5-7 RTC battery description and part number
Description
RTC battery
Spare part number
L13694-001
Before removing the RTC battery, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
Remove the RTC battery:
1.
Disconnect the RTC battery cable from the system board (1), and then remove the cable from the clip
(2).
2.
Remove the RTC battery from the computer (3).
Reverse this procedure to install the RTC battery.
Rear camera module and board
To remove the rear camera and board, use this procedure and illustration.
Table 5-8 Rear camera and board description and part number
Description Spare part number
Rear camera and camera board
NOTE: The camera cable is included in the Cable Kit, spare part number M03431-001. The camera bracket is included in the Bracket Kit, spare part number M03436-001. The camera thermal shield is included in the
Plastics Kit, spare part number M03437-001.
M03443-001
Before removing the rear camera and camera board, follow these steps:
40 Chapter 5 Removal and replacement procedures for authorized service provider parts
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
Remove the rear camera:
1.
To remove the camera board, disconnect the camera module cable (1) and the system board cable (2) from the ZIF connectors on the camera board.
2.
Remove the M2.0 × 2.0 screw (3) that secures the board, and then remove the board from the computer
(4).
3.
To remove the camera module, disconnect the camera cable from the ZIF connector on the camera board (1).
Component replacement procedures 41
4.
Remove the two M2.0 × 3.0 screws (2) that secure the camera module bracket, remove the bracket (3), and then remove the camera (4).
Reverse this procedure to install the rear camera and rear camera board.
Fan
To remove the fan, use this procedure and illustration.
Table 5-9 Fan description and part number
Description
Fan assembly
Before removing the fan, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
Remove the fan assembly:
1.
Disconnect the fan cable from the system board (1).
Spare part number
M03432-001
42 Chapter 5 Removal and replacement procedures for authorized service provider parts
2.
Loosen the three captive Phillips screws (2) that secure the fan, and then remove the fan from the computer (3).
Reverse this procedure to install the fan assembly.
Heat sink
To remove the heat sink, use these procedures and illustrations.
Table 5-10 Heat sink descriptions and part numbers
Description
Heat sink
Spare part number
M46284-001
Before removing the heat sink, follow these steps:
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
Remove the heat sink:
1.
In the order indicated on the heat sink, loosen the four captive Phillips screws (1) that secure the heat sink, and then remove the heat sink (2).
Component replacement procedures 43
2.
Thoroughly clean the thermal material from the surfaces of the heat sink and the system board components each time the heat sink is removed. Replacement thermal material is included with the heat sink and system board spare part kits. The following illustration shows the replacement thermal material locations.
Thermal paste is used on the system board component (1) and on the associated heat sink component
(2).
Reverse this procedure to install the heat sink.
Display assembly
To remove the display assembly, use these procedures and illustrations.
44 Chapter 5 Removal and replacement procedures for authorized service provider parts
Table 5-11 Display assembly descriptions and part numbers
Description
Display assembly, 250 nits, with HD camera
Display assembly, 250 nits, with HD + IR camera
Display assembly, 400 nits, with HD camera
Display assembly, 400 nits, with HD + IR camera
Display assembly, 1000 nits, with HD camera, privacy
Display assembly, 1000 nits, with HD + IR camera, privacy
Spare part number
M46285-001
M46286-001
M46287-001
M46288-001
M46289-001
M46290-001
Before removing the display panel, follow these steps:
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
Remove the display assembly:
1.
Disconnect the left display cable from the system board (1), and then remove the cable from the clips
(2).
2.
Disconnect the antenna cables from the WLAN module (3).
3.
Disconnect the right display cable from the system board (4), and then remove the cables from the clips
(5).
4.
Remove the Phillips M2.0 × 5.0 screw (1) and seven Phillips M2.5 × 7.0 screws (2) that secure the display to the computer.
5.
Rotate the computer to open the hinges (3).
Component replacement procedures 45
6.
Separate the computer from the display (4).
Reverse this procedure to replace the display assembly.
System board
To remove the system board, use these procedures and illustrations.
Table 5-12 System board descriptions and part numbers
Description
System board (includes processor):
All system boards use the following part numbers: xxxxxx-001: Non-Windows operating system xxxxxx-601: Windows 10 operating system
AMD Ryzen 7-5850U processor
AMD Ryzen 7-5800U processor
AMD Ryzen 5-5650U processor
AMD Ryzen 5-5600U processor
AMD Ryzen 3-5450U processor
AMD Ryzen 3-5400U processor
Before removing the system board, follow these steps:
46 Chapter 5 Removal and replacement procedures for authorized service provider parts
Spare part number
M46279-xx1
M46278-xx1
M46277-xx1
M46276-xx1
M46274-xx1
M46275-xx1
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
4.
Remove the fan (see
).
When you replace the system board, be sure to remove the following components (as applicable) from the defective system board and install them on the replacement system board:
●
Memory modules (see Memory modules on page 35
).
●
WLAN module (see WLAN module on page 38 ).
●
Heat sink (see Heat sink on page 43
).
Remove the system board:
1.
Disconnect the following cables from the system board:
● Power connector cable (1)
● Display cable (2)
● Speaker cable (3)
● Antenna cables from the WLAN module (4)
● Display cable (5)
● Camera cable (ZIF) (6)
● Touchpad cable (reverse ZIF) (7)
● Keyboard cable (reverse ZIF) (8)
● Keyboard backlight cable (reverse ZIF) (9)
● Fingerprint reader cable (reverse ZIF) (10) (select products only)
● RTC battery cable (11)
2.
Remove the seven Phillips M2.0 × 2.3 screws (1) that secure the system board to the computer.
Component replacement procedures 47
3.
Remove the three Phillips M2.0 × 5.0 screws (2) from the plastic bracket, and then remove the bracket
(3).
4.
Lift the right side of the system board upward (1).
5.
Pull the board toward the right and out of the computer (2) while removing the metal bracket from the right side of the board (3).
Reverse this procedure to install the system board.
Speaker
To remove the speaker, use this procedure and illustration.
Table 5-13 Speaker description and part number
Description
Speaker Kit
48 Chapter 5 Removal and replacement procedures for authorized service provider parts
Spare part number
M03439-001
Before removing the speaker, follow these steps:
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
4.
Remove the fan (see
).
5.
Remove the system board (see System board on page 46 ).
Remove the speaker:
1.
Remove the Phillips M2.0 × 2.0 screw (1) that secures the speaker to the computer.
2.
Remove the speaker from the computer (2) .
Reverse this procedure to install the speaker.
Fingerprint sensor (select products only)
To remove the fingerprint sensor, use this procedure and illustration.
Table 5-14 Fingerprint sensor description and part number
Description
Fingerprint sensor
NOTE: The fingerprint sensor cable is available in the Cable Kit, spare part number M03431-001. The fingerprint sensor bracket is available in the Bracket Kit, spare part number M03436-001.
Spare part number
M46281-001
Before removing the fingerprint sensor, follow these steps:
1.
Prepare the computer for disassembly (see Preparation for disassembly on page 30 ).
2.
Remove the bottom cover (see
).
3.
Remove the battery (see Battery on page 31 ).
4.
Remove the fan (see
).
5.
Remove the system board (see System board on page 46 ).
Component replacement procedures 49
Remove the fingerprint sensor:
1.
Remove the Phillips M2.0 × 2.0 screw (1) that secures the fingerprint reader bracket to the computer, and then remove the bracket (2).
2.
Remove the fingerprint reader sensor from the computer (3).
Reverse this procedure to install the fingerprint sensor.
Power connector cable
To remove the power connector cable, use this procedure and illustration.
Table 5-15 Power connector cable description and part number
Description
Power connector cable
Before removing the power connector cable, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly on page 30
).
2.
Remove the bottom cover (see Bottom cover on page 30 ).
3.
Remove the battery (see
).
4.
Remove the fan (see Fan on page 42 ).
5.
Remove the system board (see
).
6.
Remove the display (see Display assembly on page 44
).
Remove the power connector cable:
▲ Lift the power connector cable from the computer.
Spare part number
M03424-001
50 Chapter 5 Removal and replacement procedures for authorized service provider parts
Reverse this procedure to install the power connector cable.
Keyboard with top cover
The top cover with keyboard remains after removing all other spare parts from the computer. In this section, the first table provides the main spare part number for the top cover/keyboards. The second table provides the country codes.
Table 5-16 Keyboard with top cover descriptions and part numbers
Description Spare part number
Top cover for models without a rear camera, backlit
Top cover for models without a rear camera, not backlit
Top cover for models without a rear camera, backlit, privacy
Top cover for models with a rear camera, backlit, models with a second camera
Top cover for models with a rear camera, not backlit, models with a second camera
Top cover for models with a rear camera, backlit, privacy, models with a second camera
M46291-xx1
M46292-xx1
M46293-xx1
M46294-xx1
M46295-xx1
M46296-xx1
Table 5-17 Spare part country codes
For use in country or region
Spare part number
Belgium
Brazil
Bulgaria
Chile
Czech Republic/Slovakia
-A41
-201
-261
-161
-FL1
For use in country or region
Iceland
India
Israel
Italy
Japan
Spare part number
-DD1
-D61
-BB1
-061
-291
For use in country or region
Slovenia
South Korea
Spain
Switzerland
Taiwan
Spare part number
-BA1
-AD1
-071
-BG1
-AB1
Component replacement procedures 51
Table 5-17 Spare part country codes (continued)
For use in country or region
Spare part number
For use in country or region
Denmark, Finland, and
Norway
French Canada
France
Germany
Greece
Hungary
-DH1
-DB1
-051
-041
-151
-211
The Netherlands
Northern Africa
Portugal
Romania
Russia
Saudi Arabia
Spare part number
-B31
For use in country or region
Thailand
-FP1
-131
-271
-251
-171
Turkey
Ukraine
United Kingdom
United States
Spare part number
-281
-141
-BD1
-031
-001
52 Chapter 5 Removal and replacement procedures for authorized service provider parts
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