Acer Aspire 5750 Service Guide - Page 139

No Display Issues 0 If the Display does not work, perform the following: Figure 4-2. No Display Issue No POST or Video 0 If the POST or video does not appear, perform the following: 1. Make sure that internal display is selected. Switching between internal and external by pressing Fn+F5. Reference Product pages for specific model procedures. 2. Make sure the computer has power by checking for one of the following: Fans start up Status LEDs illuminate If no power, refer to Power On Issues. 3. Drain stored power by removing the power cable and battery. Hold the power button for 10 seconds. 4. Connect the power and reboot the computer. 5. Connect an external monitor to the computer and switch between the internal display and the external display is by pressing Fn+F5. 6. If the POST or video appears on the external display only, refer to LCD Failure. 7. Disconnect power and all external devices including port replicators or docking stations. Remove any memory cards and CD/DVD discs. 8. Start the computer. If the computer boots correctly, add the devices one by one until the failure point is discovered. http://Tmroyucbloesmhopo.tsinug 4а-5