iphone 4 touch screen not working after screen replacement

iPhone 4 touch screen not working after screen replacement
location: modmyi.com - date: November 23, 2010
ok ok, i wanted to be one of the cool guys so i took the dive and purchased the white LCD/digitizer combo to go along with my super cool white rear housing. i followed ifixit's guide after reading it over ten times and watching acouple youtube videos on iPhone 4 teardowns. after it was all said and done, i held onto the home/sleep button with my heart pounding at about 2000 beats per minute...I gave it a big sigh of relief when the phone booted up and the LCD beautifully shined my lockscreen. but i guess i spoke to soon since the touch screen wasn't working :T so i took the phone apart again and doubled checked the digitizer and lcd sockets to be sure that they were secure. i even took out the whole lcd/digitizer again to check for any creases/folds on the ribbon, everything looked a-ok to me. i did some googling and found some similar problems but with the 3GS...but i followed their solutions regardless. tried restarting the phone, still nothing. tried wedging a
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