I am using Toshiba Satellite Pro C660 and I have recently installed the windows xp service pack 3. After installing that all the things are working perfectly. Now I donít know what went wrong during the installation of service pack 3 but after that I am facing one problem. I am not able to start the WIFI of my laptop. Before I install service pack 3 my WIFI was working absolutely fine. Please tell me what to do to solve this issue.