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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 the
boot-up process. The error messages normally appear on the screen.
Fatal errors are those which will not allow the system to continue the boot-up
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 (on the following page) correspond to the number of
beeps for the corresponding error.
Beep Code/LED
1 beep
5 short beeps + 1 long
beep
8 beeps
OH LED On
Appendix A
BIOS Error Beep Codes
BIOS Error Beep Codes
Error Message
Refresh
Memory error
Display memory
read/write error
System OH
A-1
Appendix A: BIOS Error Beep Codes
Description
Circuits have been reset.
(Ready to power up)
No memory detected in the
system
Video adapter missing or with
faulty memory
System Overheat
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