No cards available for configuration - PulseAudio

I cannot hear any sounds. I have pavucontrol installed and in the Configuration tab, it says "No cards available for configuration". Everything is set to dummy output.

I don't know what caused this, I tried reinstalling everything pulseaudio related and restarted but no luck.

When the sound did work, I used to hear this crackling sound so I ran this command echo 0 | sudo tee /sys/module/snd_hda_intel/parameters/power_save which worked fine before but now it gives me an error saying: /usr/bin/tee: /sys/module/snd_hda_intel/parameters/power_save: No such file or directory

That could be where the problem is coming from. Some other things:

$ aplay -l
aplay: device_list:274: no soundcards found...

$ pacmd list-cards
0 card(s) available.

I have tried a whole load of things from the internet but nothing works. Please help me.

Edit: I found out that I tried to install realtek drivers. I tried with these ones to be specific

I remember make install giving me some errors.

I tried doing make uninstall afterwards tho

I rebooted afterwards but nothing.

Edit 2: The /sys/module/snd_hda_intel folder is missing. This has to be the root of the problem. Is there a way I can get that back?

I suggest to reinstall kernel. Run in a terminal

sudo apt install --reinstall linux-image-$(uname -r)
sudo apt install --reinstall linux-modules-$(uname -r)
sudo apt install --reinstall linux-modules-extra-$(uname -r)