A few days ago I replaced my Windows by Ubuntu 14 (I have a Dell M15X). After that I notice some random problems with my video card (this was my general impression). Then I installed the latest version of the Nvidia card using:
sudo apt-add-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install nvidia-current nvidia-settings
After doing that I restarted my computer and I ran:
sudo lshw -c video
and I got what seems exactly the same configuration:
*-display
description: VGA compatible controller
product: GT216M [GeForce GT 240M]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:02:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
The only difference from the previous one seems to be
driver=nvidia
The previous one was
driver=nouveau
The general problem is that the original card video was GeForce GT 240M and there is no one exactly compatible available in Ubuntu?!
How does it work? Since I installed Ubuntu only few days ago, was it supposed to install this last version? Or not?
nouveau
driver is shipped with Ubuntu, and is non-proprietary. That is, Ubuntu manages updating it. Installing thenvidia
drivers likely fixed your problem, as those are written and maintained by Nvidia.