Description Spare part
number
●
Intel Pentium 3825U processor 824453-001,
601
●
Intel Celeron N3050 processor 816433-001,
-501, -601
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 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 hard drive (see Hard drive on page 42).
NOTE: When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
WLAN module (see WLAN module on page 44)
●
Memory module (see Memory module on page 46)
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): Optical drive connector cable
(3): Keyboard cable
(4): Power connector cable
(5): Display cable
(6): Power button board cable
(7): TouchPad button board cable
(8): Speaker cable
60 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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