[ubuntu] Blank screen with any nvidia drivers i can think of...

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http://ubuntuforums.org – I have a Dell laptop with an Nvidia Quadro 770M video card. Just installed Ubuntu 11.04, which failed to boot properly, with a black screen. I did Ctrl-Alt-F1 to get into a terminal, killed gdm and installed the latest drivers from the nvidia website, which the installer said was successful. upon restarting, I still get a blank screen. It does seem, however that things arent failing completely, because I hear the drum sound for the login screen. I just get blackness (the backlight is on though). I tried nvidia-detector from the terminal, which returns 'none', which worries me. I also tried (Hardware)