Sound Devices USBPre 2 - Manual (Page 16)

USBPre 2 User Guide and Technical Information
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On the left sidebar of the System window, click 5. Device Manager to open the Device Manager window.
Expand the 6. Sound, video, and game controllers section.
Right-click the entry in this section titled 7. USBPre 2.0 Audio 1.0.0 and select Uninstall.
Ensure that the checkbox titled 8. Delete the driver software for this device is checked, then click OK.
In the Device Manager, expand the section titled 9. Universal Serial Bus controllers and repeat steps 7 and
8 on the entry in this section titled USBPre 2.0 Audio 1.0.0.