User Manual

Table Of Contents
Identifier GUID-215FECAB-328D-40F9-8731-750BE6594708
Status Released
System diagnostic lights
Battery-status light
Indicates the power and battery-charge status.
Solid white — Power adapter is connected and the battery has more than 5 percent charge.
Amber — Computer is running on battery and the battery has less than 5 percent charge.
O
Power adapter is connected and the battery is fully charged.
Computer is running on battery and the battery has more than 5 percent charge.
Computer is in sleep state, hibernation, or turned o.
The power and battery-status light blinks amber along with beep codes indicating failures.
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 o indicating no memory or RAM is detected.
The following table shows dierent power and battery-status light patterns and associated problems.
Table 18. LED codes
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
2,8 System board error
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 white — Camera is in use.
O — Camera is not in use.
Troubleshooting
69