Cannot Open Focusrite Usb Asio: Error Code 0x54f

Here is the full error text associated with the Focusrite USB ASIO error code 0x54f , typically encountered in DAWs like Ableton Live, Cubase, FL Studio, or Reaper. The complete error message is usually one of the following:

"Cannot open Focusrite USB ASIO. Error code: 0x54f"

"Audio device cannot be opened. Error code: 0x54f"

"ASIO device could not be initialized. Error: 0x54f" cannot open focusrite usb asio error code 0x54f

What error 0x54f actually means In Windows, error code 0x54f (hex) translates to:

"The device is already in use" (More specifically: ERROR_DEVICE_ALREADY_REMOVED / resource conflict)

In the context of Focusrite ASIO, it means: Here is the full error text associated with

"The audio driver cannot open the Focusrite USB hardware because another application or system process has exclusive control over it, or the device has entered an invalid state."

Common causes for this specific error

Another application is using the Focusrite (web browser, Zoom, Discord, Windows system sounds, another DAW) Windows Exclusive Mode enabled in Sound settings Sample rate mismatch between Windows and your DAW Focusrite USB driver crashed or is in a hung state USB selective suspend put the interface to sleep Faulty USB cable or port Error code: 0x54f" "ASIO device could not be

Quick fixes that resolve 0x54f

Close all other audio apps (browsers, Spotify, games, Discord) Disable Windows Exclusive Mode :