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Removing the Cover
You need to remove the computer’s cover to install any of the
options described in this chapter or to install or remove a disk
drive (as described in Chapter 3). Follow these steps:
1.
Turn off the computer and then any peripheral devices
(including the monitor and printer).
2.
Disconnect the computer’s power cable from the electrical
outlet and from the back panel. Also disconnect any cables
that are connected to the computer, including the keyboard
and mouse cables.
3.
If the monitor is on top of the computer, lift it off and set it to
one side.
4.
Turn the computer around so the back panel is facing you.
5.
Remove the three screws securing the back panel, as shown
below.
2-4 Installing and Removing Options