A friend was was doing a factory reset on my computer and my power supply was disabled and it shut down in the process.he went into the Bios and tried to reboot from the bios, and what he did I;m not sure but my windows 7 won't load...It says it's preparing setup for first use but when the set up is done it says that there is an error in the registry or driver how can I recover windows or get it working again ..I'm pretty new to laptops so I'm alittle freaked out I'm using a sony vaio e series windows 7 i-5 so is there way to restore it to the way it was prior to this event ...HELP