How to unhide files in a USB, smartphones or memory cards

Our first discussion is based on a common problem most users experience on a daily basis. Users tend to plug\use their USB or smartphones to connect to external computers reason being to share files such as music, pictures and videos, not being aware if the computer they are collecting files from is infected with viruses or not. Let's discuss the solutions that were tried before and never worked first and i'll provide solutions at a later stage.