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 30), and then remove the following components:
a. Battery (see Battery on page 33)
b. Solid-state drive (see Solid-state drive on page 34)
c. WLAN module (see WLAN module on page 35)
d. Fans (see Fans on page 38)
When replacing the system board, be sure to remove the heat sink (see Heat sink on page 52) from the
defective system board and install it on the replacement system board.
Remove the system board:
1. Disconnect the following cables from the system board:
(1) Power connector cable
(2) Webcam/microphone module ZIF connector cable
(3) Display panel ZIF connector cable
(4) Rear speaker cable
(5) Front speaker cable
(6) Backlight ZIF connector cable
(7) Keyboard ZIF connector cable
(8) TouchPad ZIF connector cable
2. Remove the two Phillips PM2.5×5.7 screws (1) that secure the left and right I/O brackets to the
keyboard/top cover.
3. Remove the three Phillips PM2.0×2.0 broad head screws (2) that secure the left and right I/O brackets to
the keyboard/top cover.
Component replacement procedures 49
To Next Page
Loading...
