Beep Codes - Dell Precision NT499 User Manual

Beep Codes

Your computer may emit a series of beeps during start up. The series of beeps
is called a beep code and can be used to help identify a problem with your
computer.
If your computer emits a series of beeps during start-up:
1 Write down the beep code.
2 Run the Dell Diagnostics to identify the cause (see "Dell Diagnostics" on
page 107).
Code
2 short, 1 long
1 long, 3 short, 2 short Memory error
1 short
Code
(repetitive
short beeps)
1
2
104
Troubleshooting Tools
Cause
BIOS checksum error
F12 key pressed
Description
BIOS checksum
failure. Possible
motherboard failure.
No memory modules
are detected.
Suggested Remedy
Contact Dell (see "Contacting Dell" on
page 269).
• If two or more memory modules are
installed, remove the modules (see
"Removing a Memory Module" on
page 160), then reinstall one module
(see "Installing a Memory Module" on
page 160) 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" on page 157).
• If the problem persists, contact Dell (see
"Contacting Dell" on page 269).