rx580 not working

I bought an AMD RX 580 2048SP GPU. I connected the video hdmi to the motherboard instead of the video card. The Gpu worked normally for 2 days until I updated windows 11 via windows update and it disappeared from cpu-z, system manager, adrenaline. However, the coolers are still running, but...

Greetings, I have been struggling with this GPU from day1. AIDA64 detects it, GPU-Z too, as well as AMD Adrenaline Control Centre... (at the moment) So currently I have it just pluged into the rig, being powered only by power connector... The monitor is connected to the on-board DVI-D port...