While ISSC chipsets are dated compared to Intel, Realtek, or Qualcomm solutions, millions of Windows 10 devices still rely on them. The ISSCBTA driver remains a for basic Bluetooth needs—audio, input devices, and occasional file sharing.
Follow these steps precisely. Do not skip the "Disable Driver Signature Enforcement" if your driver is unsigned.
Temporarily disable driver signature enforcement:
(Integrated System Solution Corp) adapter can sometimes run into trouble on Windows 10. Whether you’re dealing with a missing driver or a "Device Not Recognized" error, this guide will help you get back online. What is the ISSCBTA Bluetooth Driver?

