I'm having Dell inspiron 6400 laptop on which i had installed Windows Xp as my operating system. The problem is that one of the key is not functioning properly on my laptop. So i would like to know that how to replace or re-attach the key back onto the keyboard? Does any body knows about it? Kindly provide me the correct solution for the aboev issue. Would be greatful to you if any body helps me out to resolve the above issue.