If you want it to stay create a file /etc/rc.local and make it
executable:
sudo chmod +x /etc/rc.local
In rc.local type:
#!/bin/sh -e
sh -c 'echo auto > /sys/bus/pci/devices/\:01\:00.0/power/control'
sh -c "echo "1" > remove" (I didn't need this)
exit 0
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@Tom
"can you elaborate a bit more what that does?
- Is it safe?
- Will it allow switching nvidia on with "sudo prime-select nvidia" ?
- Is this command needed only once?"
Yes it should be safe. It it freezes just restart your machine, the
setting will be gone.
It turns off the nvidia gpu så no.
Thank you for your answer. I solved the problem with nvidia prime not
really disabling the nvidia card (still drawing power) when switching to
Intel with:
sh -c 'echo auto > /sys/bus/pci/devices/\:01\:00.0/power/control'
Almost halved the power draw on my Dell XPS 15.
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You received this b
Ivan Janes,
With those options NVidia card seems to be disabled properly but now the
systems hang whenever I plug in the laptop power charger. Also, I can
only use Wayland and not Xorg (freeze again). Maybe the last one is a
bad xorg.conf?
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