Hi,

My Asus RX580 (ROG-STRIX-RX580-08G-GAMING) problem No Display Image, 2 days ago HDMI fail to display, today DVI fail to display.
Detected on mainboard (sound beep POST code, and enter windows) but not showing display image at all.
Try to flash bios original and many bios, but same problem.
Power DVI HDMI 5v vesa appear.
Any one can help me, where to start digging?

https://ibb.co/RTPQXPR

https://ibb.co/hcz4HHY

https://ibb.co/0QzsDQy

https://ibb.co/tpMPkDm

From photo its looks a lot corrosion on components near to video ports.
Recommend to clean card and inspect components under microscope if not damaged.

Second test is to connect second card to PC and check in windows if your card working fine.