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USB disconnects & Bluetooth stops working

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arvz View Drop Down
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Joined: 05 Aug 2018
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    Posted: 05 Aug 2018 at 2:03pm
I've got a problem with my USB ports and bluetooth. 

Motherboard: X470 Taichi (Bios updated to latest 1.50)
CPU: Ryzen 7 2700x
Memory: Trident-Z 16GB (2x8) 3200
PSU: Corsair CX600
GPU: MSI GTX-970 Gaming
OS: Windows 10 x64


Whenever I plug in my Acer VR headset (AH101) sometimes it would cause other USB devices to disconnect and reconnect again a few seconds after. Usually after that everything's working ok, but the disconnect/reconnect can happen again randomly later. Doesn't seem to matter which USB port I've got the VR headset plugged in to, front/back panel, etc. 

Also sometimes whenever the disconnect happens, Bluetooth would stop working completely. If I go to device manager, it'll say the device couldn't be started. After restarting, Bluetooth still doesn't work and doesn't even show up in device manager (it's hidden) and an 'Unknown USB Device (Device Descriptor Request Failed)' shows up under Universal Serial Bus controllers

The only way to get Bluetooth working again is if I shut down the PC completely and unplug the power cable for a few seconds, then after turning it back on Bluetooth is back. 

I've already tried updating BIOS to latest and latest bluetooth drivers from Intel website. 

As far as I've seen this is only happening while I've got the VR headset plugged in. But I know this VR headset works fine as I was using it a lot on my previous PC and never had any problems with that. 
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