Table 14. DiagnosticsLight pattern Problem description2,1 CPU failure2,2 System board: BIOS and ROM failure2,3 No memory or RAM detected2,4 Memory or RAM failure2,5 Invalid memory installed2,6 System board or chipset error2,7 LCD failure3,1 CMOS battery failure3,2 PCI or video card or chip failure3,3 Recovery image not found3,4 Recovery image found but invalidCamera 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.Flea power releaseFlea power is the residual static electricity that remains on the computer even after ithas been powered off and the battery has been removed. The following procedureprovides the instructions on how to conduct flea power release:1 Turn off your computer.2 Remove the base cover.3 Follow step 1 in "Removing the battery".4 Press and hold the power button for 15 seconds to drain the flea power.110
