Dell OptiPlex GX270 - Manual (Page 142)

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.
16. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent.
Adding a Second Hard Drive
1. Check the documentation for the drive to verify that it is configured for your computer.
2. Shut down the computer through the Start menu.
3. 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.
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
6. Open the computer cover .
7. Remove the two green plastic rails from the inside of the hard-drive bay by gently pulling the rails up and out of the bay.
8. Attach the rails to the hard drive using the two screws attached to the rails.
Ensure that the rail tabs are positioned at the back of the hard drive.
9. Remove the first hard drive from the upper bay and install it in the lower bay:
a. Disconnect the power and the hard-drive cables from the back of the first hard drive.
b. Press in the two green rail tabs and pull the first hard drive out of the upper bay.
c. Gently slide the first hard drive into the lower bay until you hear a click.
d. Reconnect the power and hard-drive cables to the back of the first hard drive.
10. Gently slide the new hard drive into the upper bay until you hear a click.
NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion
detector.
CAUTION: Before you begin any of the procedures in this section, follow the steps in " Safety Instructions. "
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 avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently
cushion it.
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.
NOTICE: Do not install any drive into the lower hard-drive bay until you have removed the green drive rails from the inside of the hard-drive bay.