
5. Simple troubleshooting
Symptom
Solution
1. No picture / no LED
2. No picture / LED red flashing
3. Picture faintness, too big or too small
4. Picture too dark
5. Overheating
6. Bright or dark spot
Check if the power cord, the monitor, and the power plug are well
connected.Check if the monitor is off.
Check if the PC video card and signal cable are well connected and
check if signal cable well connected with monitor.
Push
“
+/-
”
key to adjust
and
.
contrast
brightness
Keep 5cm away from other goods for ventilation. Don't put
anything on the monitor.
It's normal phenomena. Eliminate the bright or dark spot in 20 minutes
after turning on the monitor.
7. Picture distortion and flicker
8. Short of color
Check the PC setting, select the proper resolution and adjust refresh
frequency.
Check if the signal cable pins are twisting or broken.
In OSD menu, select
to make the monitor adjust automatically.
“
”
AUTO
There may be noise signals during turning off the monitor.
This is caused by electrical release ans so is normal.
9. Noise Signals at turning off
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