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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.

Community
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Thomas
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  • I am having similar issues, but with Nvidia K1200 (16.04.1). Trying suggestions from: http://askubuntu.com/questions/763874/nvidia-drivers-on-14-04 – david6 Aug 11 '16 at 03:35
  • Yes well that suggestion is similar to the link i provide i.e. purge install manually. I have already tried that with all the drivers avalable with no result. – Thomas Aug 11 '16 at 06:01
  • Using which PPA or driver(s)? – david6 Aug 11 '16 at 08:39
  • 367 right now. There was an update to that driver today, but nothing changed after install/reboot. – Thomas Aug 12 '16 at 03:57
  • I tried nvidia-361 (from ppa:graphics-drivers/ppa), which stopped the original issue (uncontrolled flicker) on wakeup (from screen blanked). However, still occurs with KVM switch (returning to Ubuntu 16.04, from Win10 1607). Have now changed to nvidia-364 .. – david6 Aug 12 '16 at 05:37

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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!

Thomas
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