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5. Troubleshooting
ACER H233H
Go to cover page
5.1 No display of screen Screen is black color of LED is amber
.
.
(
,
)
Does OSM display when you push
"MENU key.
No
Proceed "No OSM display" section.
When a signal isn't being inputted, it is
indicated with "No Signal Input". it is
indicated with "Out Of Range" at the time
Yes
of the frequency that it can't be
distinguished.
Check if the sync signal from computer is
output and if the video cable is connected
normally.
Input the sync signal of computer, or change
NG
the cable.
OK
Proceed "checking the resolution change IC
movement" section.