Below are the technical causes of each Dell BIOS beep code pattern followed by a short series of steps to resolve the cause of the issue.
| Pattern | Error Message | Solution |
|---|---|---|
| 1 – 2 | No video card detected | Reseat the video card |
| 1 – 2 – 2 – 3 | BIOS ROM checksum error | |
| 1 – 3 – 1 – 1 | DRAM refresh error | Reseat the memory modules |
| 1 – 3 – 1 – 3 | 8742 Keyboard Controller error | Reseat the keyboard connector |
| 1 – 3 – 3 – 1 | Memory defective or not present | Reseat the memory modules |
| 1 – 3 – 4 – 1 | RAM failure on line xxx | Reseat the memory modules |
| 1 – 3 – 4 – 3 | RAM failure on data bits xxx of low byte on memory bus | Reseat the memory modules |
| 1 – 4 – 1 – 1 | RAM failure on data bits xxx of high byte on memory bus | Reseat the memory modules |