Dumb moment... don't forget to check all the setting and turn up your chrome cast to 50Hz HDMI mode ... and other settings , spent all day and didn't even notice kinda
Como ativar o modo HDMI 50 Hz no Chromecast e evitar falhas na TV
How to Fix Screen Flickering and Stuttering on Chromecast with Google TV (Easy Tutorial) - YouTube
Soniq Australia
N50" 4K UHD Google Chromecast TV 50Hz
Chromecast gets updated to support 50Hz refresh rate - FlatpanelsHD
Found this hidden in Google home app settings for the Chromecast ultra : r/Stadia
Google Chromecast with Google TV gets more HDR controls | What Hi-Fi?
Habitech - Harman Kardon Citation Streaming Amplifier with Google Chromecast and Airplay 2: Each. Black Friday Offer Monday 20/11/23 to Thursday 21/12/23
Wall Charger AC Adapter Cable for GOOGLE CHROMECAST TV 1ST GEN H2G2-42 Power PSU | eBay