Dell OptiPlex GX260N User Guide - Page 59

Front-Panel Inserts, Floppy Drive, Front-Panel Insert Removal

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on the screen at the next computer start-up: ALERT! Cover was previously removed. 16. 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. Front-Panel Inserts If you are installing a new floppy or CD/DVD drive rather than replacing a drive, remove the front-panel insert. Front-Panel Insert Removal Floppy 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 attached 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

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on the screen at the next computer start-up:
ALERT! Cover was previously removed.
16.
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.
Front-Panel Inserts
If you are installing a new floppy or CD/DVD drive rather than replacing a drive, remove the front-panel insert.
Front-Panel Insert Removal
Floppy 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 attached 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