When I open the internet it opens in normal size not full, but when I try to enlarge it by clicking the maximize button in the top right corner the web site will stay the same size but all around the web site were it is suppsoe to be enlarged at is white while the web site stays the same size, how do I possibly fix this weird problem??

That is probably by design. The web site's designers can code the content to have a maximum fixed width. What site are you referring to?

Try placing your cursor on the border of the window with the page set to maximum.

Then click and drag the border to make it as big as you want it.

Be sure that you have maximized the window before setting your size.

You can always adjust the size of the window whenever you want to.