Dell Vostro A840 (Mid 2008) - Manual (Page 33)

Troubleshooting
33
Troubleshooting
CAUTION: To guard against the likelihood
of electric shock, laceration by moving fan
blades, or other expected injuries, always
unplug your computer from the electrical
outlet before opening the cover.
CAUTION: Before working inside your
computer, read the safety information that
shipped with your computer. For additional
safety best practices information, see the
Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
Error Messages
If the message is not listed, see the documentation
for the operating system or the program that was
running when the message appeared.
A UXILIARY DEVICE FAILURE — The touch
pad or external mouse may be faulty. For an
external mouse, check the cable connection.
Enable the Pointing Device option in the system
setup program. See your Service Manual at
support.dell.com for more information. If the
problem persists, contact Dell (see "Contacting Dell"
on page 69).
C ACHE DISABLED DUE TO FAILURE — The
primary cache internal to the microprocessor has
failed. Contact Dell (see "Contacting Dell" on
page 69).
O PTICAL DRIVE CONTROLLER FAILURE —
The optical drive does not respond to commands
from the computer.
D ATA ERROR — The hard drive cannot read
the data.
D ECREASING AVAILABLE MEMORY — One
or more memory modules may be faulty or
improperly seated. Reinstall the memory modules
and, if necessary, replace them. See your Service
Manual
at support.dell.com for more information.
book.book Page 33 Thursday, September 25, 2008 2:38 PM