Hi, I'm kinda new to all of this and I'm doing my best here, but please feel free to assume I'm an idiot and don't know how to do anything, that's probably for the best. I'm trying to set up Steam Link through RetroPie, and it's working flawlessly when connected to a monitor, however when connected to my TV it doesn't work. When I start the stream, it looks like a window maximizing for a fraction of a second and then it's just black. The sound comes through and the overlay still displays fine, just the stream itself is black.

Everything is updated to the latest versions, the PC running Steam is a Windows 10 tower. The Pi is. Pi 4 8gb. The TV is a TCL 1080p Roku TV. I've tried googling and searching the subreddit, and the only possibly relevant thing I've found that I haven't tried is editing the config file for Steam Link and I'm enough of a Linux noob that I have no idea how to do that. Thanks so much for any help!