MSI B450 Carbon Gaming AC - Bluetooth throttling GPU when connecting devices

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Joined
7 Jun 2020
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1
Hello,

I have noticed that when I connect or disconnect a bluetooth device to my PC I will experience LAG spikes in my games. This is most notable when using an xbox controller via bluetooth but also happens when I connect my WH1000XM3 headphones. The GPU utilisation will drop to 0% at the moment of connection/disconnection.

This is easily reproducible and works in multiple games e.g GTA, Frostpunk, Monster train.

I have taken a number of screenshots to show my current drivers, I have downloaded the latest versions from the MSI website however the issue is still occuring. I have also updated BIOS.

Any advice? I am looking to send off the motherboard back to overclockers for a repair or replacement tomorrow but want to see if I can resolve.

Full Build List:
MSI B450 Carbon AC Gaming Motherboard
Ryzen 5 3600
AMD GEFORCE RX 5700 Graphics Card
M.2 Sata Card x 2 (Only the drive in M2_1 slot works though)
Crucial Ballistix Sport LT 3200 MHz, DDR4, 32 GB (16 GB x 2), CL16

https://imgur.com/a/zg6ZRO4
 
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