windows 2000 and xp help (part 3)?

firstly, i would like to thanks evry 1 who has helped but the problem is i cant doo all of those suggesstions
.....

because 1.if u delete winodws 2000, i dont have a cd to install again

2. if i delete windows 2000 or reformat then not only wont it have the lan or high speed internet thing but it also wont have sound.. or will it?

plz help me.. i am really desperate =[

If yo delete, or formate, or uninstall, you still will have no computer, you'll neeed a new OS, if you don't want to but a new OS, you could try Ubuntu, a free OS by Lunix. Can be downloaded at http://ubuntu.com