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Troubleshooting Tools and Utilities 333
If your computer beeps during start-up:
1
Write down the beep code on the Diagnostics Checklist (see "Diagnostics Checklist" on page 351).
2
Run theDell Diagnostics to identify a more serious cause (see "Dell Diagnostics" on page 327).
3
Contact Dell for technical assistance (see "Contacting Dell" on page 351).
Error Messages
Fill out the Diagnostics Checklist as you complete these checks (see
"Diagnostics Checklist
" on
page 351
).
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide
.
If the message is not listed, see the documentation for the operating system or the program that was
running when the message appeared.
Code Cause
2 short, 1 long BIOS checksum error
1 long, 2 short Memory test failure (bad memory during memory sizing)
1 long, 3 short, 2 short No memory
1 short F12 key pressed
A FILENAME CANNOT CONTAIN ANY OF THE FOLLOWING CHARACTERS: \ / : * ? “ < > | — Do not
use these characters in filenames.
A REQUIRED .DLL FILE WAS NOT FOUND — The program that you are trying to open is missing an
essential file. To remove and then reinstall the program:
1
Click the
Start
button, click
Control Panel
, and then click
Add or Remove Programs
.
2
Select the program you want to remove.
3
Click the
Change or Remove Program
icon.
4
See the program documentation for installation instructions.
ALERT! PREVIOUS ATTEMPTS AT BOOTING THIS SYSTEM HAVE FAILED AT CHECKPOINT [
nnnn
]. FOR
HELP IN RESOLVING THIS PROBLEM, PLEASE NOTE THIS CHECKPOINT AND CONTACT DELL TECHNICAL
S
UPPORT — Contact Dell (see "Contacting Dell" on page 351) and report the checkpoint code
(nnnn) to the support technician.