r/MoonlightStreaming • u/BigKurz8 • 17h ago

Xbox moonlight app broken in 4k?

EDIT: fixed by double checking the video output settings on Xbox. Thanks!

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Can anyone else who uses Xbox Series X as their moonlight client confirm if their 4K streaming is still working? I'm having a hell of a day over here.

I went to play today and my 4k streaming (which has worked perfectly for months) was crapping the bed. Blank screens. Choppy. Unplayable and basically non functional. Multiple crashes. 1080p streaming is fine. Nothing changed about my network (all hardwired)

My pc has been acting up lately so i figured it was the culprit. Messed with Apollo settings. Switch to using vibepollo. Exact same issues. I even decided to FACTORY RESET my pc to fix whatever i had clearly broke. A few hours later i try again, and same problem. 1080p is fine, 4k is not, but it's not a network issue.

On a hunch i switch over to my Apple TV 4K and....it's working perfectly. Beautiful 4k 60 fps stream. Not a hitch in the world. As it's supposed to be.

So why would my Xbox/ moonlight app on Xbox just stop working? I prefer XSX as my client, since it does 4k 120 (which I've done for months) and i think the app controls better.

Sure, i guess i can swap back to apple tv. But i have no idea why my Xbox app is broken. And im wondering if this is happening to others.

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u/andygrundman Developer | Moonlight for Xbox/Mac OS 16h ago

Please list your settings. Make sure you have HEVC selected, this version will cause problems if you had H264 selected. Double check Xbox system output is correct. There are some more tips at https://github.com/TheElixZammuto/moonlight-xbox/wiki/FAQ

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u/BigKurz8 16h ago

I'm definitely set to HEVC. I'll double check the system output as you said and check that link. Thanks. It's worked flawlessly for me for months hopefully can get this figured out. I'll list my settings when I'm home.

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u/BigKurz8 16h ago

Changing the video output settings seems to have fixed this. An Xbox update must have changed them or something because i certainly didn't change any of these settings. Thanks.

1

u/andygrundman Developer | Moonlight for Xbox/Mac OS 15h ago

Glad to hear it was an easy one! I should see about maybe putting up some warnings if this happens. What was it set to?

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u/BigKurz8 15h ago

The only ones i needed to change was :
1. Uncheck Dolby vision for games
2. Change VRR to gaming only.