I love electronics and figuring out how to solve problems concerning
accessing the internet, debugging, figuring how to make the computer work
efficiently. what should I study in a university?
Well, there is no straight answer. Firstly, you need to narrow down your interests. You can just look at few schools and see the research at their schools. Browse the school of engineering webpages at universities, you will get some idea.
You need to do some research before you pick an interest and then again do some more reserch for selecting school. Google is your best tool !
I agree with Kumar.
There are some computer Majors you can opt. Like Information Secuirty, Info System etcc…