Table 20. 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/video card failure3,3 Recovery image not found3,4 Recovery image found but invalidThe computer may emit a series of beeps during start-up if the errors or problems cannot be displayed. The repetitive beep codes help theuser 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.Identifier GUID-BB99B5E4-3C94-4EAB-92E1-EC33EC6388AAStatus ReleasedFlea power releaseFlea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has beenremoved. The following procedure provides the instructions on how to conduct flea power release:1 Turn off your computer.2 Remove the base cover.3 Press and hold the power button for 15 seconds to drain the flea power.4 Replace the base cover.5 Turn on your computer.Identifier GUID-7D2143EA-2C62-498E-97AF-DCEF3DA56624Status ReleasedWi-Fi power cycleIf your computer is unable to access the Internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be performed. Thefollowing procedure provides the instructions on how to conduct a Wi-Fi power cycle:Troubleshooting 107
