Acer x193hql Benutzerhandbuch

X193HQL 

 

TROUBLESHOOTING 

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

 
(VGA Mode) 

Problems Current 

Status 

Remedy 

LED ON 

y

 

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

y

 

Check the power switch. 

LED OFF 

y

 

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

y

 

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

No Picture 

LED displays amber 
color 

y

 

Check if the power of computer system is ON. 

Unstable Picture 

y

 

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

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. 

Abnormal 

Picture 

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

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) 

Problems Current 

Status 

Remedy 

LED ON 

y

 

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

y

 

Check the power switch. 

LED OFF 

y

 

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

y

 

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

No Picture 

LED displays amber 
color 

y

 

Check if the power of computer system is ON.