BSOD WIN 7 Shutdown when idle

Neigbours son has a prob with his wireless kit(why anyone would want wireless when a good stout copper cable is infinitely more reliable defeats me though)
Anyway he brings machine to the Towers and seeks one's help after much fannying about deleting and reloading drivers and such one got the bloody thing to work,worked ok after switch off and reboot but if I removed the dongle plugged into usb socket then rebooted, then reinsert same it asks g for the driver disk and reloads the driver,surely it the stupid thing should keep the dongle driver stashed away somewhere on the hard disk?is this normal?

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I think your system is CORRUPTED with "congress" virus... It needs strong "ANNA"ti virus...

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"Where can we go to find God if we cannot see Him in our own hearts and in every living being."

- Swami Vivekananda