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Trackpad and Keyboard randomly freeze

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I recently installed Lion on my Dell Latitude E6400 (10.7), and I'm having an annoying problem. Randomly, my keyboard and trackpad just stop working, and then I got to do a reboot to fix the issue. My specs are as follows if needed


Dell Latitude E6400

Intel Core2 Duo P8600

OSX 10.7 & Windows 8 Dual Boot



BIOS Revision A32

Webcam and Fingerprint Swipe

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Did you ever figure this one out? It's a problem that has plagued me since I've had this laptop (same one as you)


I've seen it written up that interrupt requests are to blame and that certain versions of AppleACPIPS2Nub.kext or ApplsPS2Controller.kext will fix this...

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