Installing 2.5-Inch Hard Drive Into The Hard Drive Bracket; Installing 2.5-Inch Hard Drive Assembly; Expansion Card; Removing Pcie Expansion Card - Dell OptiPlex 5055 Small Form Factor Owner's Manual

Installing 2.5–inch hard drive into the hard drive bracket
1 Flex the side of the hard drive bracket, to align and insert the pins on the bracket into the hard drive.
2 Insert the hard drive into the hard drive bracket until it clicks into place.
3 Install the:
a 2.5 inch hard drive assembly
b cover
4 Follow the procedure in
Installing 2.5–inch hard drive assembly
1 Insert the drive assembly into the slot on the computer until it clicks into place.
2 Connect the SATA cable and the power cable to the connectors on the hard drive.
3 Install the cover.
4 Follow the procedure in

Expansion card

Removing PCIe expansion card

1 Follow the procedure in
2 Remove the:
a cover
b front bezel
3 Pull the metal tab to open the expansion card latch.
After working inside your computer.
After working inside your computer.
Before working inside your computer.
Disassembly and reassembly 15