HP mt43, Maintenance And Service Manual

Page: 60 / 105

System board
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
Description Spare part number
System board with AMD PRO A8-9600U processor 917765-301
Before removing the system board, follow these steps:
1. Shut down the computer.
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 bottom cover (see Bottom cover on page 25 ).
5. Remove the battery (see Battery on page 30 ).
6. Remove the keyboard (see Keyboard on page 39 ).
7. Remove the internal base plate (see Internal base plate on page 42
When replacing the system board, be sure to remove the following components (as needed) from the
defective system board and install on the replacement system board:
● Solid-state drive (see Solid-state drive (SSD) on page 31 )
● Memory modules (see Memory modules on page 32 )
● WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 34 )
● WWAN module (see WWAN module on page 36 )
● Heat sink/fan assembly (see Heat sink/fan assembly on page 45 )
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Speaker cable
(2) Display cable
(3) Power button board cable
(4) USB/audio board cable
(5) Card reader cable
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts