Installing The Sd Card Reader; Power Supply Unit; Removing Power Supply Unit Or Psu - Dell OptiPlex 3050 Small Form Factor Owner's Manual

b. Remove the screws that secure the SD card reader and lift it away from the computer [2] [3].

Installing the SD card reader

1. Place the SD card reader on the chassis.
2. Tighten the screws that secure the SD card reader to the computer.
3. Install the:
a. hard drive and optical drive module
b. M.2 PCIe SSD
c. bezel
d. cover
4. Follow the procedure in

Power supply unit

Removing power supply unit or PSU

1. Follow the procedure in
2. Remove the:
a. cover
b. bezel
c. hard drive and optical drive module
3. To release the PSU:
a. Disconnect the power cable from the system board [1] [2].
24 Removing and installing components
After working inside your
Before working inside your
computer.
computer.