Beep Possible Cause Troubleshooting Steps
1 BIOS ROM checksum in
progress of failure.
System board failure,
covers BIOS corruption or
ROM error
2 No RAM detected No memory detected
3
• Chipset Error (North
and South Bridge
Chipset, DMA/IMR/
Timer Error)
• Time-Of-Day Clock test
failure
• Gate A20 failure
• Super I/O chip failure
• Keyboard controller
test failure
System board Failure
4 RAM Read/Write failure Memory failure
5 Real-time clock power fail CMOS battery failure
6 Video BIOS Test Failure Video card failure
7 Processor Failure Processor Failure
8 Display Display Failure
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