Service Manual
Page 118
...(Battery mode) - Off - Diagnostics Light Pattern Problem description 2,1 CPU failure 2,2 System board: BIOS and ROM failure 2,3 No memory or RAM detected 2,4 Memory or RAM failure 2,5 Invalid memory installed 2,6 System board or chipset error 2,7 LCD failure 3,1 CMOS battery failure 3,2 PCI/video card failure 3,3 Recovery .... Power adapter is connected and the battery is detected. Computer is in hibernation, or turned off indicating no memory or RAM is fully charged. For example, the power and battery-status light blinks red two times followed by a pause, and ...
...(Battery mode) - Off - Diagnostics Light Pattern Problem description 2,1 CPU failure 2,2 System board: BIOS and ROM failure 2,3 No memory or RAM detected 2,4 Memory or RAM failure 2,5 Invalid memory installed 2,6 System board or chipset error 2,7 LCD failure 3,1 CMOS battery failure 3,2 PCI/video card failure 3,3 Recovery .... Power adapter is connected and the battery is detected. Computer is in hibernation, or turned off indicating no memory or RAM is fully charged. For example, the power and battery-status light blinks red two times followed by a pause, and ...