I have followed http://ubuntuportal.com/2012/01/bumblebee-3-0-tumblewed-nvidia-optimus-gpu-switching-for-linux-has-been-released-how-to-install-bumblebee-3-0-on-ubuntu.html this guide to install nvidia driver on my Dell Inspiron N5110 notebook (Intel HD Graphics 3000 + NVIDIA GeForce GT525M), but i always get some error while i want to start any program with the optirun command.
Terminal says:
adam@Adam-LT:~$ optirun firefox
[ 1482.559417] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver
[ 1482.559517] [ERROR]Aborting because fallback start is disabled.
My laptop cooler always cools the laptop, which means that nvidia card is consuming power in the background. (Terminal sometimes says something daemon-server is not running.)
Can you give me some solution for this?
I recently had this problem as well.
For me, all I had to do was run the following commands. I'll break them down:
sudo apt-get install ppa-purge
sudo apt-get purge bbswitch-dkms bumblebee-nvidia
That installs the PPA-Purge utility and removes BBSwitch and Bumblebee
sudo apt-get install linux-headers-generic
That installs the proper Linux headers. For some reason, BBSwitch wouldn't (for lack of a better word, insert) itself into the kernel.
Then a simple
sudo apt-get install bbswitch-dkms bumblebee-nvidia
fixed everything. Oh, and a reboot, of course :)
Hopefully this will help you at least a little bit! Please let me know how you go
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