Dell OptiPlex GX270 - Manual (Page 85)

1. Shut down the computer through the Start menu.
2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
3. Disconnect any telephone or telecommunication lines from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
5. Remove the computer stand , if it is attached.
6. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front- panel inserts .
7. 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.
2. Disconnect the other end of the CD/DVD drive cable from the system board connector (IDE2).
3. Press inward on the two tabs on the sides of the drive, and then slide the drive upward and remove it from the drive bay.
CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
1 power cable
2 audio cable
3 CD/DVD drive cable
4 IDE2 connector