Dell Optiplex 5070 Small Form Factor - System Board Removal and Installation

3. Install the:
a) Hard drive and optical drive module
b) HDD assembly
c) Front bezel
d) Side cover
4. 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) 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:
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Removing and installing components