Your computer may make some beeping sounds when you turn it on. Use the table below as a general guide as to what events each pattern of beeps represents.
| Beep Pattern | Description of Problem |
|---|---|
| One beep | Computer POSTed fine |
| Two beeps | POST/CMOS Error |
| One long beep, one short beep | Motherboard Problem |
| One long beep, two short beeps | Video problem |
| One long beep, three short beeps | Video problem |
| Three long beeps | Keyboard error |
| Repeated long beeps | Memory error |
| Continuous Hi-Lo Beeps | CPU overheating |