Compaq 500B Microtower Supplementary Manual page 21

7 The tabs fit into slots and over the front lip of the
computer.
8 To reattach the panel, align the tabs on the panel over
the corresponding slots on the computer. Slide the side
cover forward.
Removing and Replacing an Optical Disc Drive
9 Reattach the screw at the back of the computer.
10 Connect the cables, such as the keyboard, mouse,
Ethernet, and monitor cables.
11 Reconnect the power cord.
12 Turn on the computer and all peripherals, such as the
monitor.
13 Verify the new optical disc drive operates correctly.
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