ACER E5 551G 1366x768 monitor flickers

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Good day , to update the BIOS of this was indicated that the problem was solved with monitor , stripes on the screen really gone ,

but expanding standard 1366x768 monitor flickers

If extensions or top-down change, no longer flicker

The only problem with native 1366x768 expansion !!!

the problem manifests itself in windows 10,7,8.1, linux

to be honest I was a better opinion of ACER, is it so hard to solve this problem if you want that all your customers go blind

If you reduce or increase extension with AMD Super enlargement, the flicker disappears and the monitor shows fine

or update your video bios upgrade or fix the problem another option