answer:we need more information to help you. when you say “suddenly just isn’t working”, of course you understand that clearly, something has changed. can you think of any changes that your computer underwent around the time that it stopped working? even if you think those changes aren’t relevant… installing any software or software updates, etc… also, will your computer work with other wireless connections? will it work on this home network using ethernet? try to discover the scope of the problem, then tell us what you find.