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Troubleshooting Tools 125
A possible graphics card failure
has occurred.
1
If the computer has a
graphics card, remove the
card, reinstall it, and then
restart the computer (see
"Cards" on page 193).
2
If the problem still exists,
install a graphics card that
you know works and
restart the computer.
3
If the problem persists or
the computer has
integrated graphics,
contact Dell for technical
assistance (see
"Contacting Dell
" on
page 295
).
A possible floppy or hard drive
failure has occurred.
Reseat all power and data
cables and restart the
computer.
A possible USB failure has
occurred.
Reinstall all USB devices,
check cable connections,
and then restart the
computer.
Light Pattern Problem Description Suggested Resolution