Acer X193 Manuale Utente

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

 
(VGA Mode) 

LED ON 

 

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

 

Check the power switch. 

LED OFF 

 

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

No Picture 

 

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

LED displays amber 
color 

 

Check if the power of computer system is ON. 

Unstable Picture 

 

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

 

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

 

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

Abnormal Picture Display is missing, 

center shift, or too small 
or too large in display 
size 

 

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) 

LED ON 

 

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

 

Check the power switch. 

LED OFF 

 

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

No Picture 

 

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

LED displays amber 
color 

 

Check if the power of computer system is ON.