Dell OptiPlex 5055 Tower OptiPlex 5055 Tower Owners Manual - Page 42

System board, Removing the system board

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System board Removing the system board 1 Follow the procedure in Before working inside your computer. 2 Remove the: a Back cover b Front bezel 3 Open the front panel door. 4 Remove the: a Heat sink assembly b Processor c Expansion card d Optional M.2 PCIe SSD card e SD card reader f Memory module 5 Disconnect the optical drive and hard drive cables [1,2] from the connectors on the system board. 6 Disconnect the following cables from the system board: a PSU [1] 42 Disassembly and reassembly

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System board
Removing the system board
1
Follow the procedure in
Before working inside your computer
.
2
Remove the:
a
Back cover
b
Front bezel
3
Open the
front panel door
.
4
Remove the:
a
Heat sink assembly
b
Processor
c
Expansion card
d
Optional M.2 PCIe SSD card
e
SD card reader
f
Memory module
5
Disconnect the optical drive and hard drive cables [1,2] from the connectors on the system board.
6
Disconnect the following cables from the system board:
a
PSU [1]
42
Disassembly and reassembly