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System Interrupts high CPU when any usb device gets plugged in
Whenever a USB device is plugged into my laptop (any of the USB ports), the CPU usage goes way up. It stays up even when the device is then unplugged, and the only way to bring it back down is to either reboot, or to go into "sleep" (when Windows resumes the problem is gone).
The Windows 7 resource monitor indicates that the problem is System Interrupts - Deferred Procedure Calls and Interrupt Service Routines. .
I have updated my drivers for each thing, and that has not helped. Not has lots of Google searches on this problem.
Running Windows 7 Home Professional 64 bit, on a Toshiba Portege R705-P41.
Any ideas? Thanks in advance.