>>106035476
Holy fucking shit I'm so mad right now. A reddit post fucking helped me fix the issue:

>What finally fixed it was remove the power cable, remove the ethernet cable, hold the power button for 10 seconds then reconnect the ethernet and finally reconnect the power supply.
>https://www.reddit.com/r/MSI_Gaming/comments/1j8lpxi/b850_tomahawk_wifi_max_random_ethernet_drop/

I thought I got a good motherboard but wtf is this bullshit? Reinstalled windows and wasted half the day for this? Jesus...