beep codes & problems

BEEP CODES & PROBLEMS. THESE BEEP CODES ARE SAME FOR ALL THE BIOS(Phoenix,Award,AMI).

COMPUTER BEEP CODES.

BEEP CODES                                                       DESCRIPTION OF PROBLEMS

1) No beeps                                                       Short,no power,bad cpu , loose peripherals.

2)One beep                                                       Everything is normal and computer "POSTED" fine.

3)Two beeps                                                      Post/cmos error.

4) Four short beeps                                          System timer failure.

5)One long beep,one short beep                     motherboard problems

6)One long beep,two short beeps                   videos problems

7)Three long beeps                                           Keyboard problems

8)Repeated long beeps/continuous beeps        Memory error/RAM

9)continuous HI-LO beeps                                 cpu over heating.

10)One beep,blank/ incorrect display                Video display circuit problems.