Dell OptiPlex 7770 All In One OptiPlex 7770 All-in-One Service Manual - Page 71

Power button board, Removing the power button board

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2. Install the following components: a) I/O bracket b) Base cover c) System board shield d) Back cover e) Stand 3. Follow the procedure in After working inside your computer. Power button board Removing the power button board 1. Follow the procedure in Before working inside your computer. 2. Remove the following components: a) Stand b) Back cover c) System board shield d) Base cover e) I/O bracket f) Speakers 3. To remove the power button board: a) Open the latch, and disconnect the power button board cable from the system board [1]. b) Peel off the power button board cable from the display assembly base [2]. c) Remove the single screw (M3x5) that secures the power button board to the middle frame [3]. d) Lift the power-button board, along with its cable, off the middle frame [4]. Removing and Installing components 71

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2.
Install the following components:
a)
I/O bracket
b)
Base cover
c)
System board shield
d)
Back cover
e)
Stand
3.
Follow the procedure in
After working inside your computer
.
Power button board
Removing the power button board
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the following components:
a)
Stand
b)
Back cover
c)
System board shield
d)
Base cover
e)
I/O bracket
f)
Speakers
3.
To remove the power button board:
a)
Open the latch, and disconnect the power button board cable from the system board [1].
b)
Peel off the power button board cable from the display assembly base [2].
c)
Remove the single screw (M3x5) that secures the power button board to the middle frame [3].
d)
Lift the power-button board, along with its cable, off the middle frame [4].
Removing and Installing components
71