Installing Sd Card Reader; Power Supply Unit; Removing Power Supply Unit - Psu - Dell OptiPlex 5055 Small Form Factor Owner's Manual

Installing SD card reader

1 Place the SD card in the slot on the system board.
2 Tighten the 6 screw to secure the SD card reader to the front panel door.
3 Install the:
a M.2 PCIe SSD
b optical drive
c cooling shroud
d 2.5 inch hard drive assembly
e front bezel
f cover
4 Follow the procedure in

Power supply unit

Removing power supply unit — PSU
1 Follow the procedure in
2 Remove the:
a cover
b front bezel
30 Disassembly and reassembly
After working inside your computer.
Before working inside your computer.