Dell Precision 420 - Manual (Page 86)

3. Slide the brace toward the front of the system until it disengages from the slot in the card guide; then rotate the brace up and lift it away from
the chassis.
To replace the brace, perform the following steps:
1. Insert the tab on the end of the brace into the slot in the card guide at the front of the chassis (see Figure 8 ).
2. Lower the brace, ensuring that the plastic card guide on the bottom of the brace spring engages the AGP card.
3. Slide the brace toward the back of the system until the tab at the end engages the slot in the back wall.
4. Replace the screw that secures the brace to the chassis.
Inside Your Computer
Figure 9 shows a top view of a desktop chassis computer to help you orient yourself when installing hardware options. Unless otherwise specified,
locations or directions relative to the computer are as shown.
Figure 9. Computer Orientation View (Desktop Chassis)
Figure 10 shows a top view of a mini tower chassis computer to help you orient yourself when installing hardware options. Unless otherwise
specified, locations or directions relative to the computer are as shown.
Figure 10. Computer Orientation View (Mini Tower Chassis)
1 Card guide (front of chassis)
2 AGP card brace
3 Card brace spring
4 Screw
5 Plastic card guide
6 Slot
7 Tab
1 Power supply
2 Externally accessible drive
bays
3 Hard-disk drive bracket
4 System board