Hi @ShadowDancer When you start a game, if you tap on the Stadia button in the controller, you will open the right menu, there you will find the connection icon, if you tap on that it will tell you...
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Hi @ShadowDancer When you start a game, if you tap on the Stadia button in the controller, you will open the right menu, there you will find the connection icon, if you tap on that it will tell you "why" the 4k resolution is not available, but here you can find some common issue not related to connection:
Are you using the power cable shipped with the chromecast ultra? Using other adapters or even powering your CCU from TV can cause the CCU to not have enough power to fully use 4k capabilities, so be sure to use the correct cable.
Did you switch HDMI port? Some TVs have several port, some enabled for 4K data and some not, so if you changed your CCU port try also the others to check if it is the case.
Your CCU have enough space to cooldown? If the space between your TV and the wall is too small the CCU may overheat and cause some issues, keep this in mind while positioning the CCU, check if it is too much hot.
And for last, try to do a speedtest with your CCU, you can find some ideas here on how to do it, your connection may be the same, but your CCU may be odd position and the signal may not reach it properly (if you are using ethernet cable, please ignore this part) Hope you can solve your issue!