HP Envy 13 Maintenance And Service Manual page 57

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
a. Battery (see Battery on page
b. Solid-state drive (see
c. WLAN module (see
d. Fans (see Fans on page
When replacing the system board, be sure to remove the heat sink (see
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.
Bottom cover on page
33)
Solid-state drive on page
WLAN module on page 35)
38)
30), and then remove the following components:
34)
Heat sink on page
Component replacement procedures
52) from the
49