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3. Troubleshooting
3.1 Screen problems
Problems
No picture
Screen
completely dark
Image noise
Image blur
Recommended actions
* Check whether USB cables at computer end and
screen end are connected properly.
* Try to use another USB interface of the computer.
* Confirm whether the computer is under sleep mode.
Press the keyboard or move the mouse, and reboot
the system.
* Confirm whether the computer is starting up
* In case of laptop, please confirm whether the outer-link
(RGB) output is selected.
* Check whether DisplayLink driver is installed.
* Long-time operation will decrease backlight efficiency
and may affect the screen brightness.
* Other electrical devices may trigger electrical
disturbances.
* Using the original resolution of 1024 x 600 may provide
the optimum quality.
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