My laptop has Intel 6700HQ CPU and Nvidia 960M as graphics card. I have nvidia-361 driver installed.
I can use the nvidia program provided with the driver to switch between Intel GPU and Nvidia GPU. Nvidia GPU works fine actually, and gives me no problems most of the time. But it heats a lot and drains/heats up the battery too. So it is not practical to use.
While switching from nvidia GPU to intel GPU, I'm not having any problems. When nvidia is on, I can easily reboot, suspend, sleep, poweroff. But when I'm on intel GPU, I can do none of those. It always freezes and I have to hold on the power button to force close it. If it sleeps, it won't wake up and so on. Same problem occurs if I use terminal commands (such as
sudo reboot) to do these too.
It stays like one of these. And nothing happens:
The cursor doesn't blink. Screen is completely frozen.
I've removed "quiet splash" from grub to see what's wrong in more details, but it gave something like