@pomsky OP added some info, but not sure it's answerable. It seems off that they're using Unity but GNOME Tweaks? I edited the formatting and threw on a bunch of tags. Is it still unclear?
What's wrong with this fella?! I found at least 6 questions which are/were/to-be wrongly closed as a dupe of this one specific question (all started by the OP of this target question)