Hi, I recently built a new computer for my brother, processor, graphics card and motherboard. the mouse plugs into a usb port and works fine in the uefi but nothing plugged into a usb port works in windows. its windows 7 and everything was working fine until the upgrade. For now iv put the graphics card into his old computer so it is the only new part and everything works fine. I did a bit of googling and apparently microsoft have stopped supporting usb drivers for windows 7. I did read something about making a boot disk and tweaking something to get the usb ports working but havent got round to it yet. If i get a usb card that plugs into a pci slot will this sneak around the problem and are newer usb cards subject to microsoft not supporting motherboard drivers.