解决ElementaryOS 下 Intel显卡接多屏时偶尔会闪屏的 bug

根据:https://bugs.launchpad.net/elementaryos/+bug/1435861

作如何更改:

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sudo apt-get install mesa-utils
sudo mkdir /etc/X11/xorg.conf.d/
echo -e 'Section "Device"\n Identifier "Intel Graphics"\n Driver "Intel"\n Option "AccelMethod" "sna"\n Option "TearFree" "true"\nEndSection' | sudo tee /etc/X11/xorg.conf.d/20-intel.conf
sudo reboot

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