you mean ya can't just turn it off and and crawl under the desk with the dust bunnies to work on it?
and pry the computer cover off using a magnetic automotive screwdriver LOL
JUST KIDDING

My boys stated out with computers back in 1986 we bought a brand new Commodore 64 LOL - haven't bought a new one since, they learned to build and upgrade and I learned along with them since I had to buy the parts...