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System board
Component
System board equipped with an Intel Core i7-4720HQ processor and 2 GB of discrete graphics memory (includes thermal grease and
thermal pads)
Includes 16 GB of system memory
Includes 8 GB of system memory
System board equipped with an Intel Core i7-4870HQ processor and 2 GB of discrete graphics memory (includes thermal grease and
thermal pads)
Includes 16 GB of system memory
Includes 8 GB of system memory
Before replacing the system board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
5.
Remove the battery (see
6.
Remove the WLAN module (see
7.
Remove the SSD module (see
8.
Remove the heat sink and fans (see
Remove the system board:
1.
Disconnect the following cables from the system board.
(1): Display cable
(2): Left speaker cable
(3): Power connector cable
(4): Left light assembly cable
(5): TouchPad cable
(6): Keyboard cable
(7): Touch control cable
(8): Webcam cable
(9): Right speaker cable
(10): Right light assembly cable
(11): Power button board cable
(12): Light module cable
Bottom cover on page
Battery on page
28).
WLAN module on page
Solid-state drive (M.2) on page
Heat sink and fans on page
20).
23).
25).
26).
Spare part number
812014-001
812013-001
812012-001
808333-001
System board
31
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