Practical jokes with USB pens. Ah, the fun.

At school we've recently had all the computers upgraded. So instead of 500 odd computers that take a day and a half to start up, we've got 500 odd computers that are really high spec, top of the range. And they've got two USB ports on the front of the towers.

If you get a lid of a USB pen with a little clip thing that you use to clip the pen to your pocket or whatever, and stick it in the USB port and fiddle around a bit then it restarts the computer. It's quite funny watching someone turn round to speak to someone whilst the person next to them fiddles with the USB port. Then the first person turns back round and their computer is restarting. We tried it on one of the teachers once, it really confused him.

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Anyway, yeah. I'm going with s-k here and saying you might of not disengage it properly. Usually it should keep on working, but sometimes it can be a real swine.