Chapter 6. Troubleshooting
Checkpoints
75
Installation issue (PC mode)
| The screen keeps switching on and off. | Check the cable connection between the product and PC, and ensure the connection is secure. | |
Blank spaces are found on all four sides of the screen | The blank spaces found on the screen have nothing to do with the product. | |
| when an HDMI or | Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem, adjust the screen size in | |
| product and PC. | ||
the HDMI or DVI settings for the graphics card. | ||
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| If the graphics card settings menu does not have an option to adjust the screen size, update the graphics card driver | |
| to the latest version. | |
| (Please contact the graphics card or computer manufacturer for further details about how to adjust the screen | |
| settings.) | |
| PC is shown in Source when a PC is not connected. | PC is always shown in Source irrespective of whether or not a PC is connected. | |
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Screen issue
| The power LED is off. The screen will not switch on. | Check the cable connection between the product and PC, and ensure the connection is secure. |
| No Cable Connected is displayed on the screen. | Check that the product is connected correctly with a cable. |
| Check that the device connected to the product is powered on. |
| Not Optimum Mode is displayed. | This message is displayed when a signal from the graphics card exceeds the product’s maximum resolution and |
| frequency. |
| Refer to the Standard signal mode table and set the maximum resolution and frequency according to the product |
| specifications. |
| The images on the screen look distorted. | Check the cable connection to the product. |
| The screen is not clear. The screen is blurry. | Adjust Coarse and Fine. |
| Remove any accessories (video extension cable, etc) and try again. |
| Set the resolution and frequency to the recommended level. |
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