Could anyone help me with NeHe's tutorials and give me some substitution code for the fullscreen function because it doesn't work on my computer.

http://onesadcookie.com/book shows how to do it robustly.

There have been posts here before about how to fix it, do a search and you should be able to find it

I looked all over the place and I can't find it.

After a little digging I think this might be it -

http://www.idevgames.com/forum/showthread.php?t=7501

Oh thank you so much I have looked all over the internet to find it thank you so much.