Recently I wanted to have a offline standalone windows qube, so I created one .
Since it didn’t have qubes Windows tools becaus I didn’t want dowload it(for avoiding network connection for this qube) I decided to use a USB device instead .
While trying to connect the USB device to Windows qube in the devices menu of qubes settings I connected “SMBus: Intel Corporation” to the qube .
After that i used the option “configure strict reset for PCI devices” to make sure it connected .
It didn’t work so I search what “SMBus: Intel Corporation” was and I realized it was a important part of motherboard
Now how can I correct this ?
I searched for a solution but appearantly no one has ever made this mistake 
Can you boot Qubes?
If so, you could simply remove the connected device from the settings again. Select the device and click the < button to move it back to dom0.
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SMBus is mainly used for power source instructions - remove it from
that qube, and leave it in dom0, as padhi suggests.
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Thank you guys