Power lights – Dell Precision T7400 (Late 2007) User Manual
Page 113
Troubleshooting Tools
113
Power Lights
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide.
A possible expansion card failure
has occurred.
1
Determine if a conflict
exists by removing a card
(not a graphics card) and
restarting the computer
(see "Cards" on page 194).
2
If the problem persists,
reinstall the card that you
removed, remove a
different card, and then
restart the computer.
3
Repeat this process for
each card. If the computer
starts normally,
troubleshoot the last card
removed from the
computer for resource
conflicts (see
4
If the problem persists,
contact Dell (see
Routine system activity
preceding video initialization.
Watch your monitor for on-
screen messages.
Light Pattern
Problem Description
Suggested Resolution