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During the POST (Power-On Self-Test) routines, which are performed
each time the system is powered on, errors may occur.
Non-fatal errors are those which, in most cases, allow the system to
continue with bootup. The error messages normally appear on the screen.
Fatal errors will not allow the system to continue to boot up. If a fa-
tal 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.
Connect an external speaker to hear the beep codes.
A-1 BIOS Error Beep Codes
Beep Code/LED
1 beep
5 short beeps + 1
long beep
5 short beeps
OH LED On
Appendix A
BIOS Error Beep Codes
BIOS Error Beep Codes
Error Message
Refresh
Memory error
Display error
System OH
A-1
Appendix A: POST Error Beep Codes
Description
Circuits have been reset.
(Ready to power up)
No memory detected in the
system
System display error
System Overheat
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