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I have an Acer TravelMate X349 running Ubuntu 16.04 LTS 64-bit. The graphics: Intel® HD Graphics 620 (Kaby Lake GT2) The processor is Intel® Core™ i5-7200U CPU @ 2.50GHz × 4.

The problem: after some time of using in a session, the screen flashes, usually after switching to another window.

Any ideas?

fuberutosan
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1 Answers1

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I don't know how to mark it as duplicate, but check the answer I have given here:

Screen flickering Ubuntu 16.04 Intel graphics 620

Miao ZhiCheng
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  • Thanks but I don't have anything under "Additional Drivers" unfortunately, it just says "No additional drivers available" – fuberutosan Apr 02 '18 at 22:30
  • Oh, that's unfortunate. You may want to checkout if it is indeed due to dkms, by checking out how to use dkms from this thread https://unix.stackexchange.com/questions/73091/list-of-packages-managed-by-dkms – Miao ZhiCheng Apr 03 '18 at 20:25