djroop

There is more to it than this but this is the essential: Things to watch for: 1) Both PC's must be on the same physical network, on the same workgroup or HomeGroup and connecting as a private network or to a homegroup 2) Both PC's must have network browsing enabled, …

Start it in safe mode and see if the same thing happens. Let us know if it stays on in Safe Mode. http://windows.microsoft.com/en-CA/windows-vista/Start-your-computer-in-safe-mode

If you have a genuine Win7 label underneath the laptop, download the appropriate iso file, burn to disk and re-install Windows 7 using the activation key on the label, Download from here http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/653d34d9-ac99-42db-80c8-6300f01f7aae