- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Disassembly and reassembly
- Device drivers
- System setup
- Troubleshooting
- Getting help and contacting Dell
Power and battery-status light:
Indicates the power state and battery state of the computer.
Solid white – Power adapter is connected and the battery is charging.
Solid amber – Battery charge is low or critical.
Off – Battery is fully charged.
For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white 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 light patterns and what they indicate.
Diagostic 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.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.