Screen issue
• The power LED is off. The screen will not switch on.
– Check that the power cable is connected properly.
– If a problem occurs with the product screen, run Self Diagnosis to check that the product is working
properly.
• The message Check the cable connection and the settings of the source device. appears.
– Check that the cable is properly connected to the product.
– Check that the device connected to the product is powered on.
– Check the PC/AV Mode status. ( → System → PC/AV Mode → DisplayPort, HDMI, USB Type-C → PC or
AV.)
– Set the connected DisplayPort version. ( → System → DisplayPort Ver. → 1.1 or 1.2↑)
• Not Optimum Mode is displayed.
– This message appears when the signal from the graphics card exceeds the maximum resolution or
frequency for the product.
– Change the maximum resolution and frequency to suit the product performance, referring to Standard
Signal Mode Table.
– If this message appears and the connected device does not support the FreeSync function, turn off the
FreeSync on the product.
• The images on the screen look distorted.
– Check the cable connection to the product.
• The screen is not clear. The screen is blurry.
– Remove any accessories (video extension cable, etc.) and try again.
– Set the resolution and frequency to the recommended level.
– Check that the resolution and frequency for the PC are within the range of resolution and frequency
compatible with the product. Next, if required, change the settings, referring to Standard Signal Mode
Table in this manual and the Information menu on the product.
16
LCD Monitor
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