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screen tearing horizontal lines bug in ubuntu 20.04 while playing video or dragging window

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In my system I have intel HD Graphics 620.

When I play video or drag any window I see the horizontal lines on the screen like slices. horizonal lines while playing video

I tried one solution. i have edited /etc/X11/xorg.conf.d file content to

Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "TearFree"    "true"
EndSection

after this, my issue is solved but I got green blocks on the screen every time I boot the system.

green blocks on the screen

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