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On my Laptop (Acer 3820) I updated from 15.04 to 15.10 After the restart I just get only a black screen. At first you can see the ubuntu loading Logo, but after that just nothing. So I tried to use F1 or Ctrl+Alt+F1 but that is not working, just nothing.

I figured out that F1 or Ctrl+Alt+F1 only works at beginning of the loading screen, if I press that right at the start I can see some cryptic text (see picture):

His Picture

This is the last thing you can see, after that the screen just gets black again and nothing. Cannot continue, F1 or Ctrl+Alt+F1 is not working anymore.

Well... any ideas? Does the picture help?

I could create an USB with the Ubuntu 15.10 installation on it and start a "reinstall", that way I can keep at least my home folder right? But any other settings will be lost - maybe there is another solution for that. Any ideas? Thank you.

Mongo
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1 Answers1

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I believe your laptop has switchable graphics as described here http://www.notebookcheck.net/Review-Acer-Aspire-3820TG-Timeline-X-Notebook.30294.0.html

This is comparable to nvidia optimus which i have to same problem with Bumblebee Intel+Nvidia on 15.10 blackscreen issue

Someone told me it is a bug with i915 + 4.2 kernel see comments in http://rajat-osgyan.blogspot.fr/2015/10/how-to-install-bumblebee-and-latest.html

But yet i don't have a clue. But nvidia driver is working fine so looking at your thread this looks the is really problem with the i915 driver, what is strange is that i tried to use different kerneles and still got the same issue see https://www.kubuntuforums.net/showthread.php?69190-Bumblebee-Nvidia355&p=381043

I also posted a thread here for interested people http://ubuntuforums.org/showthread.php?t=2300628

Community
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Kwaadpepper
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