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so what do i do if it does work in another pc or if it doesn't?
so what do i do if it does work in another pc or if it doesn't?
drivers are software that tell windows 7 how to interact with a specific peripheral. Without drivers it cannot interact with them.
I'm guessing because it's a bit unclear from the OP, but the "usb controller" is a usb game controller right?
Maybe your game controller came with a CD, otherwise check the manufacturer website and/or post the device's model here so we can help finding them.
You need to go to the manufacturer's website for the device you are trying to plug in to it, and find drivers. Another option could be to plug it in and then run Windows Update.