Monitors not detected after installing Nvidia drivers

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http://askubuntu.com – I've recently installed Ubuntu 11.10 to my PC. I've have Windows 7 on it as well. When I first started up Ubuntu, it detected both of my monitors. I then updated the drivers and restarted, but when I restarted, Ubuntu doesn't detect the monitors anymore. I've removed and reinstalled the drivers but that doesn't work. Whenever I boot in Windows 7, Windows still detects both monitors, so I know it's not the cables. It has to be the drivers or Ubuntu. My question is, What do I need to do to get this fixed? I'm new to Linux by the way. Display adapters: NVIDIA GeForce 8800 GTS 512. I wen (HowTos)