System Board; Removing The System Board - Dell OptiPlex 5055 Small Form Factor Owner's Manual

3 Install the:
a optical drive
b cooling shroud
c 2.5 inch hard drive assembly
d front bezel
e cover
4 Follow the procedure in

System board

Removing the system board

1 Follow the procedure in
2 Remove the:
a cover
b front bezel
c 2.5 inch hard drive assembly
d cooling shroud
e optical drive
f M.2 PCIe SSD
g heat sink assembly
h memory module
i processor
j expansion card
k SD card
3 Disconnect the following cables from the system board:
a speaker [1]
b 2.5–inch drive [2]
c optical drive [3]
d data cable [4]
36 Disassembly and reassembly
After working inside your computer.
Before working inside your computer.