User Manual

your second display. It’s also possible that your monitor driver is causing
the problem.
External display issues? Try these steps
1. How to solve the problem if there is a lag of image on the screen.
You can try to connect a USB mouse and reboot the computer.
2. Change screen resolution manually; In you system’s settings, play
around with the resolution settings until something looks comfortable
for your eyes; Choose the default resolution. If you’re using a scaled
resolution already, try setting your display to use the default
resolution for the display.
3. The screen resolution only 800x600. Please try a different port an
ensure it's connected at USB 3.0 speed.
4. Attach your laptop’s power adapter. Some laptops don’t have
enough juice to push the extra pixels of an external display, connect
the power adapter to give it additional power.
5. Re-set your video connections, make sure the cable is firmly
connected.
6. Use Auto-Adjustment of monitor.
7. Check is your computer’s brightness turned all the way down.
8. Reinstall or update graphics driver.
9. Check for software updates for your software.