I recently upgraded an HP dv7-1245dx laptop from Vista Home Premium (64bit) to Windows 7 Ultimate (64bit). Overall the upgrade went pretty smooth even though it took over 4 hours but once Windows 7 was up and running everything seemed to be working fine. HP has a utility called PC Health which I used to upgrade anything that "needed updating" and I think that's where my problem started. That process took me several days and I don't recall exactly when the keyboard on the laptop stopped working but now the only way that I can type on the machine is to connect an external keyboard to it. I've contacted HP Tech support but they have not been too helpful because I cannot seem to get them to understand that it's some type of driver issue. My only recourse at this time is to start over. Fortunately, I created a disk image of the original installation and I will probably have to do the upgrade all over again. I was wondering if anyone else has had this experience and if they have did they have a better solution than reinstalling all over again.