To better help you with the issue you are experiencing we will need more information. Could you please describe any messages or errors that you are receiving? When did you first experience the problem? How far from the access point is the computer?
Own a Predator Laptop? Then I bet you have learned a thing or two from beststevie. He has been helping out in this forum for quite a while and it's about time we recognized him for it. Thanks beststevie!