BIOS signal error message

PC is not response once you turn on and got "Beep" sound. Don't panic.

How to construe the beep signal message from the PC.

AMI-BIOS:
1Beep:RAM damaged or unplugged correctly
6Beep:Gate A20 error - Keyboard unplugged or damaged
8Beep:Card Graphic damaged or unplugged correctly
11Beep:Checksum-Error, check CMOS Battery on motherboard

Award-BIOS:
1Long beep:RAM problem, plug RAM correctly
1Long beep + 2short beep: Graphic card problem
1Long beep + 3short beep: Keyboard problem (Version 4.5 above this signal means graphic card problem)
un-break beep: RAM or graphic card not found

Phoenix-BIOS:
1beep+1beep+4beep: BIOS damaged
1beep+2beep+1beep: Motherboard problem or damaged
1beep+3beep+1beep: RAM problem, check RAM position
3beep+1beep+1beep: Motherboard problem or damaged
3beep+3beep+4beep: Graphic card problem or unplugged.

Now you know the BIOS signal, keep it for easy to find and solved your PC problem.