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BIOS Error Beep Codes
During the POST (Power-On Self-Test) routines, which are performed at each
system boot, errors may occur.
Non-fatal errors are those which, in most cases, allow the system to continue to
boot. The error messages normally appear on the screen.
Fatal errors will not allow the system to continue with bootup procedure. If a
fatal error occurs, you should consult with your system manufacturer for possible
repairs.
These fatal errors are usually communicated through a series of audible beeps.
The numbers on the fatal error list correspond to the number of beeps for the
corresponding error.
BIOS Error Beep Codes
Beep Code/LED
1 beep
5 short beeps + 1 long
beep
5 long beeps + 2 short
beeps
1 continuous beep
Appendix A: BIOS Error Beep Codes
Appendix A
Error Message
Description
Refresh
Circuits have been reset.
(Ready to power up)
Memory error
No memory detected in the
system
Display memory
Video adapter missing or with
read/write error
faulty memory
System overheat
System overheat
A-1
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