Alienware m15 R3 Service Manual
System diagnostic lights
NOTE The system diagnostic lights and the power-status light are at the power button (Alienhead).
NOTE The color of the status lights depends on the configuration set in the Alienware Control Center (AWCC).
Power-status light: Indicates the power status.
Solid
- Computer is turned on.
- Power adapter is connected, and the battery has less than ten percent charge.
Breathe—Computer is in sleep state.
Off—Computer is in hibernation or turned off.
The power-status light blinks amber along with beep codes indicating failures.
For example, the power light blinks red two times followed by a pause, and then blinks blue three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.
The following table shows different power light patterns and associated problems.
| Diagnostic light codes | Problem description |
|---|---|
| 2,1 | Processor failure |
| 2,2 | System board: BIOS or ROM (Read-Only Memory) failure |
| 2,3 | No memory or RAM (Random-Access Memory) detected |
| 2,4 | Memory or RAM (Random-Access Memory) failure |
| 2,5 | Invalid memory installed |
| 2,6 | System-board or chipset error |
| 2,7 | Display failure |
| 3,1 | Coin-cell battery failure |
| 3,2 | PCI, video card/chip failure |
| 3,3 | Recovery image not found |
| 3,4 | Recovery image found but invalid |
| 3,5 | Power-rail failure |
| 3,6 | System BIOS Flash incomplete |
| 3,7 | Management Engine (ME) error |
Camera status light: Indicates whether the camera is in use.
- Solid—Camera is in use.
- Off—Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
- Solid—Caps Lock enabled.
- Off—Caps Lock disabled.
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