System Board; Removing System Board - Dell OptiPlex 3070 Small Form Factor Service Manual

3. Install the:
a) Hard drive and optical drive module
b) HDD assembly
c) Front bezel
d) Side cover
4. Follow the procedure in

System board

Removing system board

1. Follow the procedure in
2. Remove the:
a) Side cover
b) Coin cell
c) Front bezel
d) HDD assembly
e) Hard drive and optical drive module
f) Heatsink assembly
g) Processor
h) Memory module
i) M.2 PCIe SSD
3. Disconnect the following cables:
a) Intrusion switch
b) Power switch
4. To remove the I/O panel:
After working inside your computer.
Before working inside your computer.
Removing and installing components 59