I recently purchased a Sony Vaio PCG-R505 laptop and needed to take it apart. In the process, I pulled on the cable that connects the touchpad to the motherboard and the touchpad no longer works (It worked before pulling on the cable.) The part number on the cable is E66085. I went online and ordered a 10-pin ribbon cable, but, now, I notice that the part number on that product in 988503370 ( see http://www.sparepartswarehouse.com/Sony,Laptop,Part,988503370.aspx ) When I tried to install the new cable, the touchpad still does not work. The touchpad does, however, have a scroll wheel built in and when that is rolled, the screen flashed on and off and sometimes restarts the computer. I was wondering if the problem lies in the fact that the cables have different part numbers? Do I have to get a specific 10-pin cable specific to the touchpad, or does any Sony 10-pin ribbon cable work? Is there any other way I can get the touchpad to work (i.e. cut and/or solder the old cable somehow) ? Any help on this issue would be much appreciated.
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