Installing Power Switch - Dell OptiPlex 5055 Small Form Factor Owner's Manual

a cover
b front bezel
c 2.5 inch hard drive assembly
d cooling shroud
e optical drive
3 To release the power switch:
a Disconnect the power switch cable from the system board [1].
b Press the power switch retention tabs and pull out from the computer [2, 3].

Installing power switch

1 Slide the power switch module into the slot on the chassis until it clicks into place.
2 Connect the power switch cable to the connector on the system board.
3 Install the:
a optical drive
b cooling shroud
c 2.5 inch hard drive assembly
d front bezel
34 Disassembly and reassembly