No Display Issues - Acer Aspire S7-391 Service Manual

No Display Issues

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
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
Troubleshooting
"Power On Issues" section on page 4-4.
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