AOC V22T User Manual page 31

Before Calling Service
Snowy picture
noise
Horizontal dotted line
Television
responding to remote
control
VGA mode doesn't
work
Black stripes appear on
the top and bottom of
the screen in VGA
mode
and *Check the antenna connection
*This may be caused by electrical interference (e.g.
hairdryer, nearby neon lights, etc.)
*Turn off the equipment.
not *Check whether the batteries are working. Replace
if necessary
*Clean the remote control sensor lens on the TV.
*You can still use the buttons at the front of your TV.
Check whether the VGA line connections are firm.
Check whether the correct signal source is
selected. If not, select the correct signal source.
Check whether you have set the PC to a compatible
display resolution.
Check the settings of the display card
Change the refresh frequency of the PC to 60 Hz.