Dell Precision 220 - Manual (Page 48)

2. Remove the screw securing the AGP card brace to the chassis (see Figure 10).
Figure 10. Removing the AGP Card Brace
3. Rotate the brace up until it disengages from the card guide at the front of the chassis. Then lift it away from the chassis.
To replace the brace, perform the following steps:
1. Insert the tabs on one end of the brace into the slots on the card guide at the front of the chassis (see Figure 10 ).
2. Lower the brace, ensuring that the AGP retension lever on the bottom of the brace is aligned with the top of the AGP card.
3. Replace the screw that secures the brace to the chassis.
Rotating the Power Supply Away From the System Board
To access some components on the system board, you may have to rotate the system power supply out of the way. To rotate the power supply,
perform the following steps:
1. Remove the computer cover as instructed in " Removing the Computer Cover ."
2. Disconnect the AC power cable from the AC power receptacle on the back of the power supply (see Figure 11 or Figure 12 ).
Figure 11. Rotating the Power Supply in a Mini Tower Chassis
Figure 12. Rotating the Power Supply in a Desktop Chassis
1 Expansion card guide
2 AGP card brace
3 Screw
4 AGP retension lever
5 Tab
6 Slot
CAUTION: Before you remove the computer cover, see " Safety First —For You and Your Computer ."
1 Power supply
2 Securing tab
3 AC power cable
4 Release latch