this post was submitted on 11 Jan 2026
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For me it's hdmi 2.1 on AMD. Starting to really hate my decision of buying a TV as a gaming display, purely because of how much windows sucks. Just booted it up to see if my samba server was working, only to find it has no internet connection whatsoever. Wifi also connects but no internet access, but i know for a fact it's working because both on linux and my phone it's working fine. Already tried a bunch of troubleshooting, including resetting the adapters competely. I'm starting to suspect the mullvad vpn app somehow fucked something up, because i'm not connected to their servers right now because i haven't added more time to my account. Internet should work if i disable the vpn app though, so idk what's wrong there.
Dp to hdmi cables work. Even 4k 144hz works with them.
Yeah but not with all its features. Usually you have to sacrifice vrr, which is a dealbreaker for me.
Not sure if there’s a difference but I have a steam deck connected to a 2.1 capable dock and it works even with VRR (although it sporadically forgets that VRR is a thing and I have to reboot the TV)
I don't know what refreshrate you're using, but from my understanding if you go above 4k60hz it doesn't run in full rgb colorspace anymore, because the amd drivers only support up to hdmi 2.0, so even when the hardware supports it, hdmi 2.1 bandwidth can't be used.
I don't suppose you enabled the kill-switch feature?
https://mullvad.net/en/help/using-mullvad-vpn-app#temporarily-blocked-internet
Yeah it turned out that lockdown mode was enabled. Disabling it fixed the issue. I guess i can't really put the blame on windows this time lol