Hot answers tagged nvidia-optimus
I'm the OP of the askubuntu question linked in the bug. It's hard to tell how I got it to work, but my recommendation would be: sudo dpkg -i ubuntu-drivers-common_0.2.91.5_amd64.deb nvidia-common_0.2.91.5_amd64.deb sudo apt-mark hold ubuntu-drivers-common sudo apt-mark hold nvidia-common sudo apt-get purge nvidia* bumblebee* sudo apt-get install ...
You might try to restore the original /usr/lib/xorg/modules/extensions/libglx.so from xserver-xorg-core . That's what I did in a similar situation. Here's how: First confirm that it has indeed been replaced by the nvidia install: debsums xserver-xorg-core | grep libglx.so If it shows FAILED, it means that it has actually been replaced, and you could try ...
Trying it can't do any harm. Use the following command before and after the switch. >ou should see a drop/rise in mW being used: # grep rate /proc/acpi/battery/BAT0/state switch off your NVIDIA card using # echo OFF > /sys/kernel/debug/vgaswitcheroo/switch If your laptop now uses less mW, then you get a longer battery life.
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