Hello and Welcome to Seven forums, tossed
Your post does not describe your problem very clearly.
Could you elaborate on how your pc is not responding?
Please remove any usb/bluetooth connection and restart, see if it works okay.
Download and scan with Malwarebytes
to make sure you're free of any virus.
In addition, you could take a look at these tutorials: SFC /SCANNOW Command - System File Checker Troubleshooting Windows 7 Failure to Boot Startup Repair - Run 3 Separate Times