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?
Please join me in congratulating IronFly who is the first Acer Community Member to achieve the rank of ACE Pathfinder. IronFly has shown a consistent willingness to help others and has worked hard to earn this new Rank. Congrats and Thank You IronFly.