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NOTE:
Press Fn+H to toggle this light between power and battery-status light and hard-drive activity light.
Hard-drive activity light
Turns on when the computer reads from or writes to the hard drive.
Power and 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.
Off
● 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 off.
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 off indicating no memory module or RAM is
detected.
The following table shows different light patterns, what they indicate, and the suggested solutions.
Table 11. System light problems and possible solutions
Light Pattern
2,1
2,2
2,3
2,4
2,5
2,6
2,7
3,1
3,2
3,3
3,4
The computer may emit a series of beeps during start-up if the errors or problems cannot be displayed. The repetitive beep
codes help the user troubleshoot problems with the computer.
Camera status light: Indicates whether the camera is in use.
● Solid white – Camera is in use.
● Off – Camera is not in use.
Caps Lock status light: Indicates whether Caps Lock is enabled or disabled.
● Solid white – Caps Lock enabled.
● Off – Caps Lock disabled.
Problem description
CPU failure
System board: BIOS and ROM failure
No memory module or RAM detected
Memory module or RAM failure
Invalid memory module installed
System board or chipset error
LCD failure
CMOS battery failure
PCI or video card or chip failure
Recovery image not found
Recovery image found but invalid
Suggested solution
Replace the system board.
Flash latest BIOS version. If problem persists, replace
the system board.
Confirm that the memory module is installed properly.
If problem persists, replace the memory module.
Replace the memory module.
Replace the memory module.
Replace the system board.
Replace the LCD.
Replace the CMOS battery.
Replace the CMOS battery.
Reimage the system.
Reimage the system.
Troubleshooting
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