My laptop is a Toshiba Tecra M9, running Ubuntu 12.04. When I unplug my laptop from charger it freezes and I cannot do anything. I need to restart it every time to get it to work correctly again.When I installed addition driver from system settings it didn't freeze anymore, but it takes lot of time to switch between windows and opening gedit windows. Is this a problem with my graphics driver? Can anybody please help me to find right graphics driver for my laptop.
In settings it shows my current graphics driver is Quadro NVS 130M/PCI/SSE2