Acer Aspire 4752G Aspire 4352, 4752, 4752G, 4752Z Service Guide - Page 159

No Display Issues 0 If the Display does not work, perform the following, one at a time. Do not replace a non-defective FRU: Figure 4-2. No Display Issue No POST or Video 0 If the POST or video does not appear, perform the following one at a time. 1. Make sure that internal display is selected. Switch between the internal and external display by pressing Fn+F5. NOTE: NOTE: This hotkey may not apply to all models. Refer to the computer's user manual for the applicable hotkey sequence. 2. Make sure the computer has power by checking for one of the following: Fans start up Status LEDs illuminate If there is no power, refer to the "Power On Issues" section on page 4-4. Troubleshooting 4-5