Installed Ubuntu 18.04 LTS on my Lenovo Yoga 3 Pro. Everything is working fine, except the connection with an HDMI external monitor.

Once I try to connect the HDMI eternal monitor everything becomes black, only the mouse in on the screen and the Fn+up/down displays the laptop bright level.

After a while more Ubuntu return to the login screen, visible on both monitors.

How can I solve this issue?


I just set up my Lenovo P71. Had 2 external monitors on DVI (via docking station) with my old rig. Now I have 1 on DVI and one on HDMI. Please make sure you flip the monitor's input over to HDMI in order for the signal to show up. I didn't have to tweak settings or my NVQuadro driver.

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