Dell OptiPlex GX260 - Manual (Page 145)

CD/DVD Drive
CAUTION: Before you begin any of the procedures in this section, follow the steps in " CAUTION: Safety
Instructions ."
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the cover.
1. Perform an orderly computer shutdown using the operating system menu.
2. Turn off your computer and any devices.
3. Ground yourself by touching an unpainted metal surface on the chassis, such as the metal around the card-slot
openings at the back of the computer, before touching anything inside your computer.
While you work, periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity
that might harm internal components.
NOTICE: To disconnect a network cable, first unplug the cable from your computer, and then unplug it from the
network wall jack.
4. Disconnect your computer and devices from their power sources. Also, disconnect any telephone or telecommunication
lines from the computer.
5. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system
board.
6. Open the computer cover.
Removing a CD/DVD Drive
1. Disconnect the power, audio, and CD/DVD drive cables from the back of the drive.
Removing Power, Audio, and Drive Cables