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It's jinxed, I know it is. Tried the USB cable, still no luck. In the middle od doing that I suddenly noticed that the HP printer, which I'd plugged in because the computer seemed to be saying that it would print, had stopped circulating its purple light and promptly printed the stuff in the queue. Hooray, I thought. Until I tried logging on to the internet and no IP addresses could be found, yet again. Internet connection returned when I unplugged the HP. You couldn't make it up, could you?