My Screen is flickering since about 2 month

Hi, I love this notebook but my Screen is flickering since about 1 month. Driver is updated (last one 2018). cable connect checked. Any idea what I could check / do in order to fix it?

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crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
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