The foundational Bluetooth core driver on your motherboard or laptop is outdated, causing it to misread the hardware flags passed by the external device. Step-by-Step Resolution Methods
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Check the Device Manager to see if the 931c7e8a entry disappeared.
Copy the top value string containing your specific GUID block. Return to the Driver tab, click Update Driver →right arrow Browse my computer for drivers →right arrow Let me pick from a list of available drivers . 5 bthenum 931c7e8a-540f-4686-b798-e8df0a2ad9f7
Step 3: Install the Official Manufacturer Chipset and Bluetooth Drivers
Note down the primary wireless transceiver vendor name (commonly , Realtek , or Atheros ).
Right-click your primary wireless adapter (e.g., Intel(R) Wireless Bluetooth ) and select . Choose Search automatically for drivers . The foundational Bluetooth core driver on your motherboard
If this specific string belongs to a proprietary software environment or a tracking ID you are trying to identify, it is recommended to search your internal database or service logs for the full string.
This guide explores what this ID represents, why it appears in your system, and how to resolve common "Unknown Device" issues related to it. What is BTHENUM?
This is a Globally Unique Identifier. It maps to a specific proprietary service profile broadcasted by your paired device (such as a gaming controller, wireless smartphone link, advanced audio headset, or smart wearable). Copy the top value string containing your specific
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Many premium Bluetooth devices require specialized setup programs to pass driver telemetry to Windows. If the hardware ID appeared after pairing a specific device, visit that company's official support website to download their desktop application (e.g., Bose Updater, Sony Headphones Connect tools, or specialized gaming console controller drivers). 3. Force Windows to Use a Generic Bluetooth Service