After an update to my Meta Quest 2, the link to the PC kept breaking. The headset would freeze, while the PC display still worked.
Others were outlining the same issue here: https://communityforums.atmeta.com/discussions/link-v207-troubleshooting/the-latest-updates-have-rendered-meta-quest-pc-link-completely-unusable-/1381668
For anyone struggling with this, here is the fix: https://communityforums.atmeta.com/discussions/link-v207-troubleshooting/the-latest-updates-have-rendered-meta-quest-pc-link-completely-unusable-/1381668/replies/1381703
Not all GPUs support H.265, though. You need a GPU that supports AV1 video encoding.