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TP-Link USB Bluetooth Adapter for PC(UB400) User Manual — questions & answers

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Why does my PC crash with a Blue Screen of Death (BSOD) when I try to pair a Bluetooth device using the UB400 adapter?

2026-06-15 1 answer

A Blue Screen of Death (BSOD) when pairing devices usually indicates a driver conflict or a corrupted driver installation. Please try the following steps…

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Where can I download the driver for the TP-Link UB400 Bluetooth adapter?

2026-06-15 1 answer

For the TP-Link UB400, driver requirements depend on your operating system: Windows 8, 8.1, 10, and 11: These systems are Plug and Play. You…

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