If the LED is illuminated in orange, the power management mode is active. Press any key on the computer keyboard or move the mouse. If that does not help, check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.
Is the prompt on the display not illuminated at all?
Check the power supply mains socket, the external power supply and the mains switch.
The image is distorted, flashes or flickers:
Read the How to adjust the screen resolution on page 20 resolution, refresh rate and make adjustments based on
The image is displaced in one direction:
Read the How to adjust the screen resolution on page 20 resolution, refresh rate and make adjustments based on
The OSD controls are inaccessible:
section and then select the correct these instructions.
section and then select the correct these instructions.
•To unlock the OSD controls when the OSD is preset to be locked, press and hold the “ENTER” key for 15 seconds to enter the “OSD Lock” option and make changes.
•Alternatively, you may use the tor ukeys to select “OFF” in the “OSD Lock” submenu from the “OSD Settings” menu (under SYSTEM), and all OSD controls will be accessible.
Need more help?
If your problems remain after checking this manual, please contact your place of purchase or
44 Troubleshooting