Issue iMac 2014 Sequoia - stuck at login screen black screen

Unfortunately i spoke too soon in my previous post :/ https://www.reddit.com/r/OpenCoreLegacyPatcher/comments/1oyiddj/installed_sequoia_on_imac_2014/

I'm using an Apple BT Mouse and Keyboard. Usually after booting, the Mouse would not connect properly so i started putting the Mac to sleep. Waking it up when needed it, also both peripherals connected instantly. Today it was stuck at the login screen (no cursor) also a different Keyboard layout was selected on the top right. After a while the screen goes black and then i see the cursor. It keeps switching between these... Forcing Shutdown and rebooting didnt help, it gets to the login screen and is stuck then in a loop.

Any ideas?

https://reddit.com/link/1p04hsv/video/la5otorzjy1g1/player

submitted by /u/nino_zh88
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