Troubleshooting For Acer A211H/A221Hq(1A) - Acer A221HQV Service Manual

ACER A211H/A221HQ
46
Go to contents page

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):
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.
5. Troubleshooting (continued)
Does OSD display when you push
MENU button.
OK
Check if the sync signal
from computer is output and if the
video cable is connected normally.
(VGA)
OK
Proceed "checking the resolution change
IC movement" section.
NG Proceed "No OSD display" section.
Input the sync signal of computer, or
NG
change the cable. (VGA)