I'm ONLY computer savvy and I've been fully updated to my Windows 10 desktop via Microsoft Update. I uninstalled all bluetooth devices and their drivers, uninstalled all remaining bluetooth software and related software, uninstalled all "ghost devices", disconnected the BTD-400, restarted and then reconnected the BTD-400. back, then downloaded drivers directly from the Kinivo website, uninstalled WIDCOMM after installing the driver (Kinivo instructions on their website), rebooted and my bluetooth STILL randomly disconnects and then reconnects OR completely freezes many times a day a! I've gone through this time-consuming process three times in the last three days and nothing fixes the instability that the Kinivo BTD-400 was causing on my system. BELIEVE THE THOUSANDS OF REVIEWS HERE THAT SAY THE KINIVO BTD-400 ADAPTER DOESN'T WORK! Life's too short for the trouble $15 junk has given me! Came back and try tp-link.
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