Ubuntu: Graphic issues after Ubuntu 16.04 with [Nvidia GTX 970] - second screen flickering/turns black


From Graphics issues after installing Ubuntu 16.04 with NVIDIA graphics I can say that I've tried all the different drivers and even the nouveau won't work. Tried the purge and what follows in different variations as listed. I've been running 16.04 since it got out and the problem occured two days ago starting with the second screen flickering after an hour or two, and then it turns black. Now it turns black almost immediatlely after boot or awakening from sleep. Ubuntu detects the second screen at screen settings and the third screen works properly, but it uses the hdmi input so I guess that's that.

Edit 1: just wanted to add that I've tried fresh reinstall of the system and don't have secure boot. This is a problem that have endured the whole summer and I've sadly not found a solution yet.

Edit 2: Just done the purge method explained in the link again with the newest nvidia driver 370.28, without success.

Edit 3: Still not working as of 375.26.

Edit 4: Not working as of 378.13, however (and this will sound funny and make someone laugh) I've found out that a temporary solution for me, is by turning off and on the second screen somewhere between 10-25 times. This makes it stay on the rest of the day for reasons unknown to me.

Any help will be more than appreciated!

Thanks in advance.


I found the solution to my problem. Turns out that some of the transistors in the screen were defect. Screen is old and I should've tested another screen immediately after I had tried the reinstall/driver changes with no luck. Bought a new screen and problem was solved!

Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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