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Light Pattern
Problem Description
A possible expansion card failure has
occurred.
A
B
C
D
A possible video card failure has
occurred.
A
B
C
D
A possible floppy or hard drive failure
has occurred.
A
B
C
D
A possible USB failure has occurred.
A
B
C
D
= yellow
= green
= off
Suggested Resolution
Determine if a conflict exists by
1
removing a card (not a video card)
(see page 89) and then restarting
the computer.
If the problem persists, reinstall
2
the card that you removed, remove
a different card, and then restart
the computer.
Repeat this process for each card.
3
If the computer starts normally,
troubleshoot the last card removed
from the computer for resource
conflicts (see "Resolving Software
and Hardware Incompatibilities"
on page 71).
If the problem persists, contact
4
Dell (see page 129).
• If the computer has a video card,
remove the card, reinstall it (see
page 89), and then restart the
computer.
• If the problem still exists, install a
video card that you know works
and restart the computer.
• If the problem persists or the
computer has integrated video,
contact Dell (see page 129).
Reseat all power and data cables and
restart the computer.
Reinstall all USB devices, check cable
connections, and then restart the
computer.
Advanced Troubleshooting
61
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