No audio in live iso

Hey there. I’m trying to run eos on a live iso (for a project, because the other systems do not seem to want to install my project’s deps). I don’t seem to be able to get audio on the latest live iso (Cassini Nova R2), and I need it for the project. I got a hint: There’s this log I get while booting: Module pcspkr is blacklisted. Maybe that’s the problem, but I don’t know how to unblacklist it. Also, this problem is solved when I haven’t upgraded any packages. After I run yay -Syu, the audio input/output volume control in the system tray disappears completely.

Please help!

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You probably can’t run an update on the live ISO as it may require a reboot for some of the updates which may be the reason the sound gets bumped out. Nothing is saved when you reboot on the live ISO either. Not sure why you need to update it?