Hello,
Hi,
I just bought my 4th 580rx and i've been mining with 3 580rx and it works fine.
Once I connect the 4th gpu am not able to get into windows not even windows I get to a black screen with -
and then I get error message -
reboot and select proper boot device or insert boot media in selected boot device and press a key
This error refers to your bootable disk, ensure that your HDD is connected and has a power from your PSU.
Every GPU is working I've tested them all.
EVGA GQ 1000Watt 80 PLUS Gold is what PSU am using and MOBO i've is MSI Z270-A Pro
i've tried to enable to gen1/2/3, enabled/disabled 4g decoding
the problem is not your GPU, otherwise you will not see those error messages.