Dell 7070 Tower - System Board; Removing System Board

7 Follow the procedure in After working inside your computer.
System board
Removing system board
1 Follow the procedure in Before working inside your computer.
2 Remove the:
a Side cover
b Front bezel
3 Open the front panel door.
4 Remove the:
a Heatsink assembly
b Processor
c Expansion card
d M.2 SSD
e SD card reader
f Memory module
g Heatsink fan
5 Disconnect the following cables:
a Intrusion switch
b Power switch
6 Disconnect the following cables from the system board:
a CPU power [1]
b Hard drive data and optical drive data [2]
c Speaker [3]
d System power [4]
e SATA [5]
Removing and installing components
65