Dell Precision 690 - Manual (Page 34)

Removing an Expansion Card
1. Follow the procedures in Before You Begin .
2. Remove the computer cover (see Removing the Computer Cover ).
3. Press the tabs on either end of the card retention device and lift to remove it from the computer.
4. Press down the tab on the top of the card retainer at the appropriate card slot and pivot the card retainer back through the chassis wall.
5. Remove the card:
a. If necessary, disconnect any cables connected to the card.
b. If the card is full-length, press the release tab on the end of the alignment guides on the fan bracket.
CAUTION: Your computer is heavy (it has an approximate minimum weight of 55 lbs) and can be difficult to maneuver. Seek assistance before
attempting to lift, move, or tilt it; this computer requires a two-man lift. Always lift correctly to avoid injury; avoid bending over while lifting. See
your Product Information Guide for other important safety information.
CAUTION: The computer stand should be installed at all times to ensure maximum system stability. Failure to install the stand could result in the
computer tipping over, potentially resulting in bodily injury or damage to the computer.
1 card retention device
2 tab
1 release tab
2 card retainer
NOTICE: Ensure that you release the securing tab to unseat the card. If the card is not removed correctly, the system board may be damaged.