Touchpad Trackpad Screw For MacBook Pro Unibody A1278 A1286 2009 2010 2011 2012 A1342 If a MacBook Pro trackpad stopped clicking there are a few things you can try to troubleshoot and repair the problem.This could be related to:1. Failing (swollen) battery.2. Wrongly adjusted trackpad screw.3. Failed trackpad.If you are sure you MBP 13.3 is cased by trackpad , replace it,Such as Cracked, Broken Mackbook Pro trackpad Adjustment screw, Philipsscrewssecurethetrackpadtotheunderbellyofthetopcase. T5screwsetshowmuchplay,orgive,thetrackpadhaswhenyoupressitdown.Inotherwords,youusethisscrewtocalibratehowfarthetrackpadisdepressedwhenyouperformtheclickaction. USED ,NOT NEW!!! Package: One set screws &amp; springs without Screwdriver (Include 2* trackpad springs + 8*1.6 millimeter Philips tiny screws + 1* 1.4 millimeter T5 trackpad button adjustment screw) Make sure the serous printed on you bottom before order. fit for A1278 A1286 2009-2012, A1297 2010-2012, A1342 but not fir for 13&quot; A1278 2008; 15&quot; A1286 2008; 17&quot; A1297 2009 Special tools are necessary but not included - Phillips #00 screwdriver (to remove ten screws securing the lower case to the upper case and touchpad screw)T6 Torx screwdriver( to remove six screws securing fan to the logic board and nine screws mounting the main board)?Tri-wing screwdriver (to remove two Tri-wing screws securing the battery to the upper case)