I upgraded to Oneiric in November and after some trouble, got my video card working perfectly. Today, for some reason, my computer suddenly stopped booting to the desktop. Now it goes the BIOS screen and then goes to a dark purple background, which it usually shows for a few seconds before displaying the splash screen, but now it just stays on that blank screen with the dark purple background. I have the NVIDIA GeForce 7025 onboard video. Any help would be appreciated. Thanks!