To diagnose a problem
Check the troubleshooting list below to diagnose the problem.
| Problem | Description | Remedy |
| Left side of the image not shown | During Auto search cycles or exit from power save mode, the DP dual image is not restored correctly. | Reselect the input or reboot the display. |
| Flashing images | ||
| Serial connection not available | After reboot, the serial connection on the USB type B port is not present (COM port not visible). | Reboot the display. |
| OSD disappears during input signal switching | OSD disappears during input signal switching (maximum 2 seconds). | No action required. This is normal behavior. |
| Half of the screen corrupt | After switching from a profile with HDMI UHD 4:2:0 input to another profile with the same input, half of the screen is corrupt. | Reselect the input or reboot the display. |