Hi Dave Lee,
Thanks for reaching out to Microsoft Q&A Forum. I understand that you are using ARC260 on a Dell laptop running Windows 11 and you are unable to allocate a sound device when using the virtual control feature of your scanner.
Please make sure you already tried the Q&A Assist steps. In addition, please try the following.
Before that, to help narrow this down:
- Is the audio device you are trying to use built‑in laptop speakers, or an external device such as USB headphones or an audio interface?
- Does ARC260 fail to allocate the device immediately on launch, or only when you start virtual control of the scanner?
In the meantime, you can try these steps:
1, Disable exclusive mode for the audio device
- Open Start and search for Sound settings
- Under Output, select your active output device
- Select Properties, then scroll to Advanced
- Turn off Allow applications to take exclusive control of this device
- Restart ARC260 and test again
2, Match the audio format (sample rate)
- In Sound settings, select the active output device
- Select Properties and scroll to Advanced
- Change the Default format to a common value such as 16 bit, 44100 Hz
- Apply the change and test ARC260 again
3, Turn off audio enhancements
- In Sound settings, select the output device
- Select Properties
- Turn off Audio enhancements
- Close settings and retest ARC260
4, Restart Windows audio services
- Press Win + R, type
services.msc, and press Enter - Restart Windows Audio
- Restart Windows Audio Endpoint Builder
- Launch ARC260 again and check device allocation
5, Check app‑specific output assignment
- Open Sound settings
- Select Volume mixer
- Under Apps, confirm ARC260 is assigned to the same output device as the system
- If ARC260 appears, manually select the correct output device
6, Run ARC260 as administrator
- Right‑click the ARC260 shortcut
- Select Run as administrator
- Test whether the audio device can now be allocated
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