Simple Troubleshooting - Planar GT190M User Manual

5. Simple Troubleshooting

Symptom
No picture / no LED
No picture / Red LED
flashing
Picture is blurry, to big or
small
Picture is too dark
Overheating
Picture distortion and flicker
Short of color
Noise Signals at Turning off
Solution
Check if the power cord, the monitor and the power plug
are well connected. Check also if the monitor is off.
Check if the PC video card and signal cable are well
connected and check if signal cable is properly connected
with monitor.
In OSD menu select "
automatically.
Push "+/-" key to adjust contrast and brightness.
Keep 5 cm away from other goods for ventilation. Don't put
anything on the monitor.
Check the PC setting, select the proper resolution and
adjust refresh frequency.
Check if the signal cable pins are twisted or broken.
There may be noise signals turning off the monitor.
This is caused by electrical release and is normal.
18
" to make the monitor adjust