Service Manual

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 light patterns, what they indicate, and the
suggested solutions.
Table 14. System diagnostic lights
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 or RAM
detected
Conrm that the memory module
is installed properly. If problem
persists, replace the memory
module.
2,4 Memory or RAM failure Replace the memory module.
2,5 Invalid memory 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.
113