Owners Manual

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 Problem description Suggested solution
2,1 CPU failure Replace the system board.
2,2 System board: BIOS and ROM failure Flash latest BIOS version. If problem persists, replace
the system board.
2,3 No memory module or RAM detected Confirm that the memory module is installed properly.
If problem persists, replace the memory module.
2,4 Memory module or RAM failure Replace the memory module.
2,5 Invalid memory module installed Replace the memory module.
2,6 System board or chipset error Replace the system board.
2,7 LCD failure Replace the LCD.
3,1 CMOS battery failure Replace the CMOS battery.
3,2 PCI or video card or chip failure Replace the CMOS battery.
3,3 Recovery image not found Reimage the system.
3,4 Recovery image found but invalid Reimage the system.
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.
Troubleshooting
83