8Troubleshooting Guide
8.1.3 Check the followings.
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. |
| (product) |
|
|
Blank spaces are found at the top and bottom | Blank spaces on the screen are not caused by |
of the screen when an HDMI or | the product. |
cable is connected to the product and PC. | The cause of the problem is the PC or graphics |
| |
| card, and can be fixed by adjusting the screen |
| size in the HDMI or DVI option of the graphics |
| card settings menu. |
| If the graphics card settings menu has no |
| option to adjust the screen size, update the |
| graphics card driver to the latest version. |
| (Please contact the graphics card or computer |
| manufacturer for details on how to adjust the |
| screen settings.) |
|
|
|
|
Screen issue | |
|
|
The power LED is off. The screen will not | Make sure that the power cord is connected. |
switch on. | (product) |
| |
|
|
"No Signal" is displayed on the screen | Check that the product is connected correctly |
(refer to "Connecting to a PC"). | with a cable |
| (product) |
|
|
| 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 |
| (product) |
|
|
8 Troubleshooting Guide 104
