Some DAWs (FL Studio, Ableton, Cubase) have their own ASIO wrappers that can trigger this error.
Example for FL Studio:
Options > Audio Settings.FL Studio ASIO → Apply → Switch back to Focusrite USB ASIO.For other DAWs:
Look for a “Reset ASIO Driver” or “Release Audio Device” option. If not available, consider reinstalling the DAW or using a generic ASIO fallback (ASIO4ALL for testing only). cannot open focusrite usb asio error code 0x54f
Follow these steps in order. The most effective fix is usually the "Clean Install" method detailed in Step 2. Troubleshooting Focusrite ASIO Error Code 0x54f 7
xHCI Hand-off is Enabled (for USB 3.0 compatibility).Legacy USB Support if causing conflicts.pnputil /enum-devices /class Audio
Look for your Focusrite. Also check Focusrite Control → Device Info tab → "Device Connected: Yes". Go to Options > Audio Settings
An outdated Focusrite firmware can cause unpredictable USB errors.