I've recently bought a HP8710w and i've installed Vista Business 64bit on it. After a while for some reason the USB ports don't work when I reboot. In the Device manager section, the usb's have the yellow exclemation marks. The only way i can get them to work is to disable all and then enable them. It's quite annoying to have to disable and enable the 6 usb ports everytime i reboot. Any solution to this?