Using a USB bluetooth receiver is the only solution to that. After further experimentation, I got it working after unplugging all USB devices except the mouse and keyboard. Then re-plugging in each device one by one I found it's my Valve Index that's the culprit. Once the headset is plugged into a USB port, I lose power to my keyboard until

Bluetooth problems ROG STRIX B550-I ITX. Support. I have had this MOBO for a while now. The Bluetooth was working fine for a while. Now all of the sudden, I cannot connect. The Bluetooth settings say it does not even have Bluetooth. I had this problem when I first built the computer. Turn out it was the WiFi antenna that had to be plugged in.

On my MSI B550 the USB 2.0 ports are laggy for keyboard/mouse if connected to a hub. Exact same behavior your links describe, key presses are repeated, laggy mouse. The USB 3 ports provided by the chipset mostly work, but will randomly have the mouse or keyboard unresponsive after some indeterminate amount of reboots until you reconnect them. It still works, but some ports on the back might not work due to lack of necessary PCIe lanes only Zen 2/Zen 3 CPUs have. In your case, it's a USB3 port not working. I've also seen reports of Wifi not working when a Zen+ CPU is used on this motherboard. Your drive doesn't matter, but it's also only running at PCIe 3 speed since the 3400G doesn . 392 285 19 244 357 270 2 457

msi b550 bluetooth not working