System Board - HP mt42 Maintenance And Service Manual

System board

NOTE: All system board spare part kits include replacement thermal material.
Description
System board with an AMD A8 Pro-8600B processor
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 bottom cover (see
5. Remove the battery (see
6. Remove the following components:
a. Keyboard (see
b. Internal base plate (see
c. Power button board (see
d. USB/audio board (see
When replacing the system board, be sure to remove the following components from the defective system
board and install on the replacement system board:
● Memory modules (see
● WLAN/Bluetooth module (see
WWAN module (see
●
● SSD (see
Heat sink/ fan assembly (see
●
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Speaker cable
(2) Display cable
(3) Webcam cable (select products only)
Bottom cover on page
Battery on page
Keyboard on page
Internal base plate on page
Power button board on page
USB/audio board on page
Memory modules on page
WLAN/Bluetooth combo card on page
WWAN module on page
SSD on page 30)
Heat sink/fan assembly on page
26).
29).
37)
42)
46)
48)
31)
35)
44)
Spare part number
827570-301
33)
Component replacement procedures 49