You mention Ubuntu, but not which Ubuntu product (Server? Desktop? Core?) nor which release you're using, nor if using a release that has ISO choices...
Try installing gnome-tweaks then set preferences (fonts etc.).
Also there is Settings (global in top toolbar) and separate Settings (hamburger icon)...
My sound output often stops working after waking my computer. The mother board is an ASUS TUF Gaming X570-Plus WiFi with Realtek S1200A Codec. When I...