XPS 14 DA14260 Service Manual
System-diagnostic lights
This section lists the system-diagnostic lights of your XPS 14 DA14260.
The following table shows different Service LED blinking patterns and associated problems. The diagnostic light codes consist of a two-digit number, and the digits are separated by a comma. The number stands for a blinking pattern; the first digit shows the number of blinks in amber color, and the second digit shows the number of blinks in white color. The Service LED blinks in the following manner:
- The Service LED blinks the number of times equal to the value of the first digit and turns off with a short pause.
- After that, the Service LED blinks the number of times equal to the value of the second digit.
- The Service LED turns off again with a longer pause.
- After the second pause, the blinking pattern will be repeated.
| Diagnostic light codes (Amber, White) | Problem description |
|---|---|
| 1,1 | TPM Detection Failure |
| 1,2 | Unrecoverable SPI Flash Failure |
| 1,3 | Short in hinge cable tripped OCP1 |
| 1,4 | Short in hinge cable tripped OCP2 |
| 1,5 | EC unable to program i-Fuse |
| 1,6 | Generic catch-all for ungraceful EC code flow errors |
| 1,7 | Non-RPMC Flash on Boot Guard fused system |
| 1,8 | Chipset “Catastrophic Error” signal has tripped |
| 2,1 | CPU failure |
| 2,2 | System board failure (includes BIOS corruption or ROM error) |
| 2,3 | No memory or RAM failure |
| 2,4 | Memory or RAM failure |
| 2,5 | Invalid memory installed |
| 2,6 | System board or chipset Error |
| 2,7 | Potential LCD panel damage or LCD cable failure (SBIOS message) |
| 2,8 | Power-rail failure at the system board |
| 3,1 | CMOS battery failure |
| 3,2 | PCI or video card or chip failure |
| 3,3 | BIOS recovery image not found |
| 3,4 | BIOS recovery image found but invalid |
| 3,5 | Power-rail error |
| 3,6 | Flash corruption is detected by SBIOS |
| 3,7 | Timeout waiting on ME to reply to HECI message |
| 4,3 | LCD panel failure |
| 4,4 | Cable and LCD power rail failure |
| 4,5 | LCD power rail, cable and LCD panel failure |
| 4,6 | LCD cable failure |
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