I had the problem even before trying to make a custom backplate. If I support the card underneath after it is installed, the BIOS cannot see the card anymore. The design of those card is indeed really bad.
Hi,
I have bought a used MSI RX580 OC Armor that worked fine for a couple of weeks until I have noticed that it was overheating while playing (88-90 C).
I have put some new thermal paste and the temperature is back to normal, however for some reason if the card is not installed
at an angle like...