startup problems

  1. Windows 7 Help with boot issues please.

    Every time I boot up my PC it tells me invalid system disk, please insert system disk and try again. I always have to use the windows 7 DVD to repair my OS. Does any one know the cause of this?
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    Windows Vista Having some problems

    Hello, I just built my own computer and have installed vista on it. When I reboot my computer it loads like normal. The Windows Vista load bar appears, but after its done loading it blue screens and restarts my computer over and over again. I have no idea how to fix this. If anyone has any...