Probably the file name is /lib/udev/rules.d/50-pm-nvidia.rules
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https://bugs.launchpad.net/bugs/1765363
Title:
prime-select intel is not powering off the nvidia card
To manage
Vasyl, your solution works, but it has a big disadvantage.
HDMI doesn't work.
I'm deleting the 80-nvidia-poweroff.rules file - HDMI works after rebooting.
Restore this file - HDMI is not working.
In general, there is a big problem with NVidia - all kinds of solutions
to the power problem never
Yes. I win.
I install new systemd service with timer for power off NVidia after startup.
Problem:
New laptop Lenovo S540 (2020-made) + Ubuntu 18.04 LTS with NVidia 435 driver
eats battery for 2-3 hours.
Result:
12 hours on battery.
Before that the actions from comment #43 have been taken
Hi.
I have this problem on Lenovo S540 and Ubuntu 18.04LTS
After reboot bbswitch is ON
But i look this situation:
file /etc/systemd/system/nvidia-prime-boot-service contains call
/usr/local/bin/turnoff_nvidia_at_boot, where last command change
bbswitch to OFF
#!/bin/sh
rmmod nouveau
rmmod
