Monitor goes dark after CachyOS logo boot up after upgrading my system

[GRetriever]

It might have something to do with Plymouth. It is known to cause boot issues. Try disabling or uninstalling and see if that helps. It isn’t needed or system critical so there is no harm in disabling or removing it.

[Tutorial] Disable or Remove Plymouth (boot splash)

Introduction CachyOS ISOs provide and enable plymouth by default. From the ArchWiki: Which is to say it is not a system-critical component.* It also has a nasty habit of breaking boot under various circumstances. In those cases, or simply to avoid the bloat, you can temporarily disable plymouth, permanently disable it, or remove it entirely. * - Some systems use Plymouth to forward decryption prompts. This may be especially useful in cases where the language and input devices might differ.…