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