urgent, help, pc just died

  1. 17,117 Posts.
    it is my workhorse of all things, and I need it today

    I plugged in a different, alternative USB cord, looked the same as another cord, when I plugged it into the usb port the screen went blank, and now I cannot get the pc to turn on
    I can hear the motor running
    if I turn off the monitor and turn it back on, it shows a message, no signal ?
    can you help, now
    any clues ? or do I need to call in a professional
 
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