Try some of these advanced solutions
How to Fix Discord Stuck on Gray or Black Screen [Still Working in 2024]
If you open Discord and see a black screen, the app is having trouble loading content. There are many reasons why this happens, some of which have to do with your system settings.
A quick way to potentially fix the issue is to close and restart Discord. However, if you don’t get any results, try some advanced solutions as explained below.
Like all other apps, you should keep Discord up to date to get all the latest bug patches and features. Newer versions of the app should have fixed the Discord black screen bug.