HP Envy 17 Series Maintenance And Service Manual page 49

Before removing the system board, follow these steps:
1. Shut down 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 all external devices connected to the computer.
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 battery (see
5. Remove the optical drive (see
6. Remove the bottom cover (see
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:
Memory modules (see
●
● WLAN module (see
Heat sink (see Heat sink on page
●
● Fan (see Fan on page
Remove the system board:
1. Position the computer upright, and then disconnect the following cables from the system board:
(1) ClickPad cable
(2) TouchPad cable
(3) Hard drive cable
(4) Optical drive cable
(5) Keyboard cable
(6) Power connector cable
(7) Display cable
(8) Speaker cable
(9) Power button board
Battery on page 24).
Optical drive on page
Bottom cover on page
Memory module on page
WLAN module on page 33)
43)
37)
25).
28).
36)
Component replacement procedures
HP Confidential
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