I have an NVidia Geforce 8400 which is working fine in Ubuntu 12.04. I have just purchased an NVidia GeForce GTX 560 and have been trying to install it. No matter what I do all I get is a black screen on boot up. I have tried; 1/ Additional Drivers, driver version 295.40, this works for the GeForce 8400 but gives me a black screen with the GTX 560 when I boot. 2/ Downloaded driver version 295.40 from NVidias site, was able to install it successfully, it works with my 8400 but gives me a black screen with the GTX 560 when I boot.
Are there any options I can try?