Acer A221HQV - Troubleshooting for Acer A211 H;A221 HQ(1 A)

5. Troubleshooting (continued)
5.3 Troubleshooting for Acer A211H/A221HQ(1A):
5.3.1 No display on the screen (Screen is black and colour of LED is amber):
OK
NG Proceed "No OSD display" section.
OK
Proceed "checking the resolution change
IC movement" section.
NG
Input the sync signal of computer, or
change the cable. (VGA)
When a signal isn't being input, it is
indicated with "VIDEO INPUT". it is
indicated with "OUT OF RANGE" at
the time of the frequency that it can't
be distinguished.
Does OSD display when you push
MENU button.
Check if the sync signal
from computer is output and if the
video cable is connected normally.
(VGA)
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ACER A211H/A221HQ