Dell OptiPlex 5250 - System Board; Removing the System Board

System board
Removing the system board
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a stand
b back cover
c cable cover
d speaker cover
e speaker
f hard drive
g optical drive
h VESA mount bracket
i system board shield
j SSD card
k WLAN card
l memory
m heat sink
n system fan
o processor
p coin cell battery
q power supply unit
3 Disconnect the following cables from the system board:
a display [1]
b system fan [2]
c SATA [3]
d intrusion switch [4]
e hard drive and optical drive [5]
f speaker [6]
g camera and microphone [7]
Removing and installing components
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