HP ENVY x360 15m Maintenance And Service Manual page 50

Table 5-11 System board descriptions and part numbers
Description
System board (includes replacement thermal material and the Windows 10 operating system):
Equipped with an AMD Ryzen7 5700U processor and a graphics subsystem with UMA memory
Equipped with an AMD Ryzen5 5500U processor and a graphics subsystem with UMA memory
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see
2. Remove the bottom cover (see
3. Disconnect the battery cable from the system board (see
4. Remove the solid-state drive (see
5. Remove the processor fan (see
6. Remove the graphics fan (see
7. Remove the heat sink (see
When replacing the system board, be sure to remove the memory modules (see
from the defective system board and install them on the replacement system board.
Remove the system board:
1. Remove the shield (1) that secures the wireless antenna cables to the WLAN module.
2. Carefully disconnect the wireless antenna cables (2) from the WLAN module.
NOTE:
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. Release the ZIF connector (3) to which the webcam/microphone module cable is connected, and then
disconnect the webcam/microphone module cable from the system board.
4. Disconnect the display panel cable (4) from the system board.
5. Release the ZIF connector (5) to which the sensor board cable is connected, and then disconnect the sensor
board cable from the system board.
6. Disconnect the speaker cable (6) from the system board.
7. Release the ZIF connector (7) to which the backlight cable is connected, and then disconnect the backlight
cable from the system board.
8. Release the ZIF connector (8) to which the keyboard cable is connected, and then disconnect the keyboard
cable from the system board.
9. Release the ZIF connector (9) to which the touchpad cable is connected, and then disconnect the touchpad
cable from the system board.
44 Chapter 5 Removal and replacement procedures for authorized service provider parts
Bottom cover on page
Solid-state drive on page
Processor fan on page
Graphics fan on page
Heat sink on page
Computer models have either one or two WLAN antennas. On models with two antennas, the #1
Preparation for disassembly on page
29).
Battery on page
33).
40).
41).
42).
Spare part
number
M45488-601
M45487-601
29).
31).
Memory module on page 35)