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Installing System Components 41
Opening the System
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Press the power button to ground the system board.
3
If you have installed a padlock through the padlock ring on the back panel, remove the padlock.
4
Lay the system on its side as shown in Figure 3-2.
5
Open the system by sliding the cover release tab toward the rear of the system and lifting the cover off.
See Figure 3-2.
Closing the System
1
Ensure that all internal cables are connected and folded out of the way.
2
Ensure that no tools or extra parts are left inside the system.
3
Reinstall the system cover:
a
Insert the bottom edge of the cover into the bottom of the system chassis. See Figure 3-2.
b
Press down on the cover until the cover release tab snaps into place.
4
If applicable, install the padlock.
5
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
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 system start-up:
ALERT! Cover was previously removed.
6
To reset the chassis intrusion detector, press <F2> to enter the System Setup program. See "Using the
System Setup Program" on page 27.
NOTE: If a setup password has been assigned by someone else, contact your network administrator for
information on resetting the chassis intrusion detector.
book.book Page 41 Tuesday, August 25, 2009 1:14 PM