[System] Something happened with my dual-boot OS, It's Windows7, so you may not want to help.

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http://www.kubuntuforums.net – I have a dual-boot Kubuntu 13.04/Windows 7. I rarely use the Windows OS except for a couple of games I own and for dictating speech, but recently, I built a new system. My GPU is a 2gb DDR5 Radeon, and I have been having trouble getting my dual-monitors to work properly. They work fine using the Windows OS, but I hardly ever use Windows, so I installed my old GForce 460 which solved the problem of dual-monitors on my kubuntu OS. Unfortunately, when I opened the Windows application, the change screwed up the Windows system so much it won't boot without repair. I did not make the necess (HowTos)