Dell OptiPlex GX110, Service Manual

Page: 19 / 69

Restarting the System
To restart the system and reset the chassis intrusion detector, perform the following steps:
1. Replace the computer cover and reconnect the computer and peripherals to their electrical outlets and turn them on.
2. To reset the chassis intrusion detector, enter System Setup and reset Chassis Intrusion to Enabled or Enabled-Silent .
Computer Cover
Figure 1. Computer Cover Removal
To remove the computer cover, perform the following steps:
1. Turn off your computer and peripherals, and observe the caution for your personal safety and protection of the equipment described in
" Precautionary Measures ."
2. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.
3. Press in on the two securing buttons until the cover is free to swing up (see Figure 1 ).
4. Raise the back of the cover, and pivot it toward the front of the computer.
5. Lift the cover off the hooks at the front of the chassis.
Figure 2. Computer Cover Replacement
Figures 19 and 20 or the internal service label).
NOTE: When you start the system, the chassis intrusion detector will cause the following message to be displayed at the next
system start-up:
ALERT! Cover was previously removed.
NOTE: If a setup password has been assigned by someone else, contact the network administrator for information on resetting the
chassis intrusion detector.
1 Securing buttons (2)
2 Cover hooks (4)