Dell OptiPlex GX260 - Manual (Page 64)

NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into the
computer.
9. Reconnect your computer and devices to their electrical outlets, and turn them on.
10. Enter system setup and update the appropriate Diskette Drive A option to reflect the size and capacity of your new
floppy drive.
See the documentation that came with the drive for instructions on installing any software required for drive operation.
After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear
on the screen at the next computer start-up:
ALERT! Cover was previously removed.
11. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent.
NOTE: If a setup password has been assigned by someone else, contact your network administrator for
information on resetting the chassis intrusion detector.
12. Verify that your computer works correctly by running the Dell Diagnostics .
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. Remove the computer stand , if it is attached.
7. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front-panel inserts.
8. Open the computer cover.
Removing a CD/DVD Drive