No Display Issues; No Post Or Video - Acer Aspire M5-481PT Service Manual

No Display Issues

If the Display doesn't work, perform the following:
Figure 1-2. No Display Issue

No POST or Video

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
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
Troubleshooting
Power On Issues.
0
LCD Failure.
0
4-5