DELL P2414H monitor black screen

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Hello, I use fedora24. I have 2 DELL P2414H monitors, which turn to black screen randomly for 1-3 seconds once or twice an hour. They don't do it at the same time though.

From the DELL webpage for my computer I can see that Fedora is not supported. Then I thought, it could be graphic drivers problem and installed Intel Graphics Update Tool and updated graphic card drivers. It didn't fix the problem.

Is it a known issue, where I could possibly look to fix it?