Appendix A: POST Error Beep Codes
Appendix A
BIOS Error Beep Codes
During the POST
Fatal errors will not allow the system to continue to bootup. If a fatal error oc- curs, 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.
A-1 BIOS Error Beep Codes
BIOS Error Beep Codes
Beep Code/LED
Error Message
Description
1 beep
Refresh
Circuits have been reset. (Ready to power up)
5 short beeps + 1 long beep
5 beeps
1 continuous beep
Memory error
Display memory read/write error
System OH
No memory detected in the system
Video adapter missing or with faulty memory
System Overheat