If manual installation is required, you can find official drivers on the MyTechKey Driver Page , which hosts software for various M-Tech models:
If a laptop has a failing internal Bluetooth chip, it must be disabled via Device Manager before the M-Tech dongle and its driver can take over.
Here’s how to properly look into the and avoid common pitfalls:
This means the driver crashed.
models) are "Plug and Play" for basic functions. However, without the official driver, you might miss out on: