Dell Precision 690 - Manual (Page 44)

2. Remove the computer cover (see Removing the Computer Cover ).
3. If a graphics riser card is installed, remove it:
a. Remove its four screws.
b. Disconnect its power cable.
c. Move it slightly up and to the right at an angle to free it from the card fan and the memory-riser support structure.
d. Set the riser aside.
Replacing the Optional Graphics Riser Card
Follow the steps for graphics riser card removal in reverse order.
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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 screws
2 graphics riser card
NOTE: To upgrade to or downgrade from a dual-graphics configuration (with the graphics riser card), you will need additional parts that can be ordered
from Dell. See Contacting Dell .