Planar PQ1910M User Manual

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5. Simple 
Troubleshooting 
 
Symptom 
Solution 
No picture / no LED 
Check if the power cord, the monitor and the power plug 
are well connected. Check also if the monitor is off. 
No picture / Red LED 
flashing 
Check if the PC video card and signal cable are well 
connected and check if signal cable is properly connected 
with monitor. 
Picture is blurry, to big or 
small 
In OSD menu select “
” to make the monitor adjust 
automatically. 
Picture is too dark 
Enter OSD menu and adjust contrast and brightness. 
Overheating 
Keep 5 cm away from other goods for ventilation. Don’t put 
anything on the monitor. 
Picture distortion and flicker 
Check the PC setting, select the proper resolution and 
adjust refresh frequency. 
Short of color 
Check if the signal cable pins are twisted or broken. 
Noise Signals at Turning off 
There may be noise signals turning off the monitor. 
This is caused by electrical release and is normal.