ENGLISH
52TROUBLESHOOTING
TROUBLESHOOTING
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Problem | Resolution |
Is the product power cord | yy See if the power cord is properly connected to the outlet. |
connected? |
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Is the power indicator light on? | yy See if the power switch is turned on. |
| yy May need service. |
Power is on but the screen | yy Adjust brightness and contrast again. |
appears extremely dark. | yy Backlight may need repair. |
The power indicator amber? | yy If the product is in power saving mode, move the mouse or press any |
| key. |
| yy Turn both devices off and then back on. |
Does the 'Invalid Format' | yy The signal from the PC (video card) is out of the vertical or horizontal |
message appear? | frequency range of the product. Adjust the frequency range by |
| referring to the Specifications in this manual. |
| * Maximum resolution |
| RGB : 1920 x 1080 @ 60 Hz |
| HDMI/DVI/DP : 1920 x 1080 @ 60 Hz |
Does the 'No signal' message | yy The signal cable between PC and product is not connected. Check |
appear? | the signal cable. |
| yy Press the 'INPUT' menu in the remote Control to check the input |
| signal. |
'Unknown Product' message appears when the product is connected.
| Problem |
| Resolution |
Did you install the driver? | yy See if the plug&play function is supported by referring to the video | ||
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| card user manual. |
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| 'Key Lock On' message appears. |
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| Problem |
| Resolution |
The 'Key Lock On' message | yy The Lock function prevents the OSD settings from being changed | ||
appears when pressing the |
| inadvertently. To release the lock, go to Menu and Option and disable | |
Menu button. |
| the Key Lock option. | |
