Dell Precision 340 - Manual (Page 30)

30 S e t u p a n d Q u i c k Re f e r e n c e G u i d e
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Opening the Cover
1 Turn off the computer and devices, disconnect them from their
electrical outlets, and wait 10 to 20 seconds.
2 If you have installed a padlock through the padlock ring on the back
panel, remove the padlock.
3 Open the computer cover:
NOTE: On the small
desktop computer, remove
the stand before you open
the cover. On the mini-
tower computer, place the
computer on its side
before you open the cover.
a Press the two release buttons until the cover is free to swing up.
b Raise the back of the cover, and pivot it toward the front of the
computer.
NOTICE: To prevent damage to the system board of the mini-tower computer,
open the cover until it catches at a 45-degree angle. Then remove the optical
drive data cable and/or the hard-drive data cable from the system board and
open the cover to a 90-degree angle.
M i n i -To w e r C o m p u t e r