Acer g243hq Manual Do Utilizador

Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can 
self-diagnose the problem. 

 
(VGA Mode) 

No Picture 

LED ON 

y

Using OSD, adjust brightness and contrast to maximum or 
reset to their default settings. 

LED OFF 

y

 

Check the power switch. 

y

Check if AC power cord is properly connected to the 
monitor. 

LED displays amber 
color 

y

Check if video signal cable is properly connected at the 
back of monitor. 

y

Check if the power of computer system is ON. 

Abnormal Picture 

Unstable Picture 

y

Check if the specification of graphics adapter and monitor is 
in compliance which may be causing the input signal 
frequency mismatch. 

Display is missing, 
center shift, or too small 
or too large in display 
size 

y

Using OSD, adjust RESOLUTION, CLOCK, 
CLOCK-PHASE, H-POSITION and VPOSITION with 
non-standard signals. 

y

Using OSD, in case of missing full-screen image, please 
select other resolution or other vertical refresh timing. 

y

Wait for a few seconds after adjusting the size of the image 
before changing or disconnecting the signal cable or 
powering OFF the monitor. 

 

(DVI Mode) 

No Picture 

LED ON 

y

Using OSD, adjust brightness and contrast to maximum or 
reset to their default settings. 

LED OFF 

y

 

Check the power switch. 

y

Check if AC power cord is properly connected to the 
monitor. 

LED displays amber 
color 

y

Check if video signal cable is properly connected at the 
back of monitor. 

y

 

Check if the power of computer system is ON.