Sony PCG-TR3A Notebook "esi manual" Questions

manual, here is are sites that sell it: http://www.9manuals.com/sony_sm3.htm http://www.manualzone.com/ReWrite-SPFM-.ESI.M27834461 You may have to copy and paste the link into your browser. If I could

wirless wont connect I think my internal wireless card is loose or fried and I want to change it and am not sure how to remove it , is there an esy way to remove it to replace it thank for your input?