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.
12. Verify that your computer works correctly by running the Dell Diagnostics.
CD/DVD Drive
1. Follow the procedures in "Before You Begin."
2. If you are installing a new CD/DVD drive rather than replacing a drive, remove the front-panel inserts.
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.
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