Metahuman hair issue

Hey guys, im having this issue with metahuman hair while rendered in the viewport. In 5.4 the hair looks “bristlely”, and in 5.5 the hair goes all black and red. Looking at the groom asset, there seems to be no problem, so it is defenitly something to do with settings, plugins or project settings, something that is effecting the hair rendering. I am very new to unreal, in fact started learning it a few weeks ago not consistently, so please be patient and understanding if I do not know the basics.

My setup.

CPU - 5950x
Ram - 64GB
GPU - 4070 - 12GB Ram