System board
NOTE: All system board spare part kits include replacement thermal material.
Description Spare part number
System board with an AMD A8 Pro-8600B processor 827570-301
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 rst 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 26).
5. Remove the battery (see Battery on page 29).
6. Remove the following components:
a. Keyboard (see Keyboard on page 37)
b. Internal base plate (see Internal base plate on page 42)
c. Power button board (see Power button board on page 46)
d. USB/audio board (see USB/audio board on page 48)
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 Memory modules on page 31)
●
WLAN/Bluetooth module (see WLAN/Bluetooth combo card on page 33)
●
WWAN module (see WWAN module on page 35)
●
SSD (see SSD on page 30)
●
Heat sink/ fan assembly (see Heat sink/fan assembly on page 44)
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)
Component replacement procedures 49
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