If you are having an issue where your Meta Quest 2 headset is connected to your Windows PC and your headset is on, the Oculus app is open and still Oculus Home not working, let me help you solve it.
Oculus app is required of course to be able to launch Oculus home inside your Quest 2 VR headset. You first need to make sure it’s installed. So first go to this page and tap ‘Download Software’. This will enable Oculus Rift content on Quest 2. This Oculus App is the bridge that connects your headset either using Air Link or the Link Cable (or a similar high-quality USB 3 cable).
Here is a detailed video that explains how to fix the issue.
I recommend restarting the headset and your PC just in case
So to fix the issue where Quest Link doesn’t work when the cable is connected is restarting the Oculus Windows app, and turn on your Quest 2 headset. Connect the Quest link cable to your PC, approve the connection in the headset and making sure that Quest 2 is connected by checking the ‘Devices’ section in the Oculus Windows app. If it shows a green circle, it is.
Then wear the Quest headset and tap the ‘Quest Link’ (Rift) button and hopefully, it will work for you this time around. Good luck.