I've got a bit of a situation here... my rig started acting weird so i uninstalled the drivers. After that, windows wouldn't boot. But that is not the problem.
I've got a problem that when there is a GPU attached to an pcie slot via riser (haven't tried without) the system shows only black screen... no bios boot, no windows, nothing. When i remove the GPU from the pcie slot, windows boots normally from the internal graphics card.
I've updated the bios to the latest version 18? I've set the bios settings of PEG0, PEG1 to Gen1 and it makes no difference with the gpu plugged if i set 4g decoding to enabled or disabled.
Must i change anything else?
Desperate for help as i lost a lot of hours with trial and error but with no luck.