Dell Precision 490 Desktop Quick Reference Guide - Page 31
Pull back the cover latch release., Locate the three hinge tabs on the edge of the computer.
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4 Pull back the cover latch release. NOTE: The computer in the following images is configured as a tower computer. See "Changing Between Tower and Desktop Modes" in your User's Guide for information regarding computer orientation. 1 2 3 1 cover latch release 2 computer cover 3 cover hinges 5 Locate the three hinge tabs on the edge of the computer. 6 Grip the sides of the computer cover and pivot the cover up, using the hinges as leverage points. 7 Release the cover from the hinge tabs and set it aside in a secure location. NOTICE: The computer cooling system cannot function properly while the computer cover is not installed. Do not attempt to boot the computer before replacing the computer cover. Quick Reference Guide 31
Quick Reference Guide
31
4
Pull back the cover latch release.
NOTE:
The computer in the following images is configured as a tower computer. See "Changing Between Tower
and Desktop Modes" in your
User’s Guide
for information regarding computer orientation.
5
Locate the three hinge tabs on the edge of the computer.
6
Grip the sides of the computer cover and pivot the cover up, using the hinges as leverage points.
7
Release the cover from the hinge tabs and set it aside in a secure location.
NOTICE:
The computer cooling system cannot function properly while the computer cover is not installed.
Do not attempt to boot the computer before replacing the computer cover.
1
cover latch release
2
computer cover
3
cover hinges
2
3
1