Removing the PC Cover

The PC cover provides protection for the internal components. You must remove the cover to access the internal components.

To remove the PC cover:

Damage from electrostatic discharge is possible. See Protecting Against ESD Damage for more information.

1. Shut power off to the PC.
2. Unplug any connections on the back of the PC as necessary to correctly position the PC.
3. Unfasten the top cover retaining thumb screw located on the back of the PC (see Back View of Platform).
4. Slide the top cover off the back of the PC.
5. Unfasten the side panel retaining screw, which is located in the center of the top handle.
7. Lift the handle and slide the side panel off.
8. Carefully set the PC on its right side, with the rear power switch toward the work surface.
9. If you are installing or replacing an analog-line interface card, remove the card cage cover (see Internal View of Platform).
   1. For each card that is currently installed, loosen the thumb screw that secures the card retaining arm and slide the retaining arm to the end of the card cage (toward the back of the PC).
   2. Unfasten the card cage retaining screw, which is the single screw located on the right side of the card cover (toward the front of the PC).
   3. Slide the card cage cover to the right (toward the front of the PC) to release the back retaining tabs.
   4. Slide the card cage cover away from you (toward the top of the PC) to release the front retaining tabs.
   5. Remove the card cage cover.

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