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My thinkpad P50 has nvidia optimus. When I run it in Intel-only mode, I get bad screen tearing. I can add a file to /usr/share/X11/xorg.conf which has this content:

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

However, when switching to intel 

prime-select intel

no xorg.conf is written, and when going back to nvidia, this file prevents X from starting

So my attempt at adding tear free intel is worse than useless: it seems to do nothing when I want it to do something, and when I want it to do nothing, it breaks my system :(

Tim Richardson
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0 Answers0