Arcam USB DAC 23425 User Manual
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3) Expand the section in the tree Sound, video and game controllers.
4) Highlight the item USB Audio Device. This is likely to be the Arcam
DAC, but could be another audio device if there are multiple USB Audio
Devices in your system.
5) Right-click on the USB Audio Device item, and select Uninstall. Confirm
the warning prompt with OK. If you have multiple USB Audio Devices
listed, uninstall all of them.
6) Disconnect the Arcam DAC from the PC, and reconnect.
7) There will be various notifications in yellow bubbles near the system
clock, ending with a message saying the your new hardware is ready to use.