When any part’s in computer face problem or damaged , CPU make beep(s) when pc starting . With the beep count , you will know about the faults .1 short beep means DRAM refresh failure
2 short beep means Parity circuit failure
3 short beep means Base 64k RAM failure
4 short beep means System timer failure
5 short beep means Process failure
6 short beep means Keyboard controller Gate A20 error
7 short beep means Virtual mode exception error
8 short beep means Display memory Read/Write test failure
9 short beep means ROM BIOS checksum failure
10 short beep means CMOS SHUTDOWN Read/Write error
11 short beep means Cache Memory error
1 long and 3 short beep means Conventional/Extended memory failure
1 long and 8 short beep means Display/Retrace test failure
