Dell OptiPlex 7770 All In One OptiPlex 7770 All-in-One Service Manual - Page 75

Input and Output board, Removing the Input and Output board

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2. Install the following components: a) PSU b) Speakers c) I/O bracket d) Base cover e) System board shield f) Back cover g) Stand 3. Follow the procedure in After working inside your computer. Input and Output board Removing the Input and Output 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 Input and Output board (I/O) board shield: a) Disconnect the I/O board cable, I/O board power cable, and headset port cable from the system board [1]. NOTE: Use the pull tab to disconnect the I/O board cable from the system board. b) Remove the I/O board cable, I/O-board power cable, and headset port cable from the routing guides on the display assembly base [2]. Removing and Installing components 75

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2.
Install the following components:
a)
PSU
b)
Speakers
c)
I/O bracket
d)
Base cover
e)
System board shield
f)
Back cover
g)
Stand
3.
Follow the procedure in
After working inside your computer
.
Input and Output board
Removing the Input and Output 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 Input and Output board (I/O) board shield:
a)
Disconnect the I/O board cable, I/O board power cable, and headset port cable from the system board [1].
NOTE:
Use the pull tab to disconnect the I/O board cable from the system board.
b)
Remove the I/O board cable, I/O-board power cable, and headset port cable from the routing guides on the display assembly base
[2].
Removing and Installing components
75