Dell XPS 420 (Late 2007) - Manual (Page 77)

Troubleshooting
77
Memory modules are
detected, but a memory
failure has occurred. • If two or more memory
modules are installed, remove
the modules (see "Removing
Memory" on page 108), then
reinstall one module (see
"Installing Memory" on
page 106) 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 "Installing
Memory" on page 106).
• If the problem persists, contact
Dell (see "Contacting Dell" on
page 200).
A possible graphics card
failure has occurred. • Reseat any installed graphics
cards (see "Cards" on
page 109).
• If available, install a working
graphics card into your
computer.
• If the problem persists, contact
Dell (see "Contacting Dell" on
page 200).
A possible floppy drive or
hard drive failure has
occurred. Reseat all power and data cables.
A possible USB failure has
occurred. Reinstall all USB devices and
check all cable connections.
Light Pattern Problem Description Suggested Resolution
book.book Page 77 Tuesday, November 27, 2007 10:29 AM