HP 14-bw0 Series, Maintenance And Service Manual

Page: 67 / 108

System board
NOTE: The system board spare part kit includes replacement thermal materials.
Description Spare part number
System board (includes replacement thermal materials):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows 10 operating system
For use in models with 2 GB of discrete graphics memory:
● AMD A9-9420P processor 925541-xx1
● AMD A6-9220P processor 925540-xx1
For use in models with UMA graphics memory:
● AMD A9-9420P processor 925544-xx1
● AMD A6-9220P processor 925543-xx1
● AMD A4-9120P processor 925542-xx1
● AMD E2-9000e processor 925545-xx1
Before removing the system board, follow these steps:
1. Shut down 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 all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 32 ).
5. Remove the optical drive (see Optical drive on page 33 ), if installed.
6. Remove the bottom cover (see Bottom cover on page 39 ).
7. Remove the WLAN module (see WLAN module on page 41 ).
8. Remove the memory module (see Memory module on page 43 ).
9. Remove the solid-state drive (see M.2 Solid-state drive (SSD) or eMMC module on page 48 ).
To remove the system board:
1. Position the computer upright, and then disconnect the following cables from the system board:
(1): USB board cable
(2): Display cable
(3): Power connector cable
(4): Power button board cable
(5): TouchPad cable
Component replacement procedures 59