I noticed that my USB keyboard was not working (it is backlit) and it seemed to BSOD just as windows started up.
But I think I may have solved the problem as I now have my bluetooth and com ports back and working and no longer have a USB error. Thanks for the extensive solutions offered. Business PCs, Workstations and Point of Sale Systems.Printer Wireless, Networking & Internet.DesignJet, Large Format Printers & Digital Press.Printing Errors or Lights & Stuck Print Jobs.Notebook Hardware and Upgrade Questions.