Dell Precision T3400 (Late 2007) - Manual (Page 34)

34 Quick Reference Guide
Memory modules are
detected, but a
memory failure has
occurred. • If two or more memory modules are
installed, remove the modules (see
"Removing a Memory Module" in your
User’s Guide), then reinstall one
module (see "Installing a Memory
Module" in your User’s Guide) and
restart the computer. If the computer
starts normally, continue to install
additional memory modules (one at a
time) until you have identified a
faulty module or reinstalled all
modules without error.
• If available, install working memory of
the same type into your computer (see
"Memory" in your User’s Guide).
• If the problem persists, contact Dell
(see "Contacting Dell" in your User’s
Guide).
A possible graphics
card failure has
occurred. • Reseat any installed graphics cards
(see "Cards" in your User’s Guide).
• If available, install a working graphics
card into your computer.
• If the problem persists, contact Dell
(see "Contacting Dell" in your User’s
Guide).
A possible floppy or
hard drive failure has
occurred. • Reseat all power and data cables and
restart the computer.
• If the problem persists, contact Dell
(see "Contacting Dell" in your User’s
Guide).
A possible USB failure
has occurred. • Reinstall all USB devices, check cable
connections, and then restart the
computer.
• If the problem persists, contact Dell
(see "Contacting Dell" in your User’s
Guide).
Light Pattern Problem Description Suggested Resolution