Recently I have not been able to use any USB ports for my Gateway NV78 laptop. I hear it could be some kind of registry problem perhaps.... I have tried several usb cable and wireless mouses on all USB ports but nothing seems to respond. Please help.

Try those steps: http://social.technet.microsoft.com/Forums/en-US/w7itproinstall/thread/a3800c72-7499-48d3-9fc9-4bcf8c211943#2344c30c-91f6-45c1-bc4f-9beb2089006a"A programmer is just a tool which converts caffeine into code" CLIP- Stellvertreter http://www.winvistaside.de/