153 Chapter 4LCD FailureIf the integrated LCD display fails, use the following flowchart to determine the required action:No POST or VideoIf the POST or video doesn’t display, perform the following actions one at a time to correct the problem.1. Make sure the computer has power by checking at least one of the following occurs:• Fans start up• Status LEDs light up2. Drain any stored power by removing the power cable and battery and holding down the power button for10 seconds. Reconnect the power and reboot the computer.3. Disconnect power and all external devices including port replicators or docking stations. Remove anymemory cards and CD/DVD discs. Restart the computer.LCD FailureIs the LVDS cableproperly connected?Test the LVDS CableIs the inverter properlyconnected?Test the inverterTest the inverter cablesRe-insert the cableRe-insert the cableTest the LCD ModuleReplace the cableReplace the cableReplace theinverterReplace the LCDModuleFFailFFailFailFailFailFFFFCloseCloseCloseCloseCloseCloseOKOKOKOKOKOKChange MainboardLaptopblue
