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The keyboard and trackpad on my macbook pro 3.1 stopped working after having frozen the operating system and reboot.

On my Mac I have Windows installed BootCamp and neither does the keyboard and trackpad.

However, I work a keyboard and mouse connect via USB external. You do not know if it really is a problem hardware or software.

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Does the power button work? –  Matt Love Feb 27 '12 at 17:38
    
Yes, the power button work. The only is not working is the keyborad and trackpad of my MacBook Pro. The USB ports is working too. –  dayanruben Feb 28 '12 at 19:54
    
What happens when you press the power button and hold the alt/option button? –  Matt Love Feb 28 '12 at 20:23
    
Any key on the keyboard is freze. The power button is the only button that work in the keyboard. –  dayanruben Feb 29 '12 at 15:23

1 Answer 1

For some possible solutions check out:

Solution 1

http://gigaom.com/apple/the-curious-case-of-the-missing-macbook-pro-keyboard-and-trackpad/

If the warranty on your MacBook Pro is no longer valid, like mine, don’t worry. Simply take a small piece of paper, such as a Post-It, and fold it in half. Stick it over the spot on the ribbon cable. Then reinstall the removable battery. The battery should exert enough pressure on the piece of paper to keep the ribbon cable working.

If your MacBook Pro is still under warranty, take it to an Apple service center. While Apple has not officially acknowledged that this is a widespread problem, it’s afflicted the machines of many owners, so surely it’s not unknown to them. Demonstrate the steps described above to whomever is helping you as letting him or her see the problem as it happens eliminates the guesswork and may help expedite the time needed for repairs.

Solution 2

http://jasonrobb.com/v2/2008/11/24/macbook-pro-unresponsive-keyboard-trackpad-solution/

THE FIX? I rolled up a sticky note and placed it on top of the cable. When the battery is locked in place, it puts pressure on the cable, and makes the keyboard and trackpad functional.

Solution 3 (Apple)

Apple support forum dedicated solely to this issue: https://discussions.apple.com/thread/1365569?start=270&tstart=0

THE SOLUTION:

This is a HARDWARE problem!

After playing around with removing the battery and noticing that this often returned functionality to the keyboard I surmised that this had some sort of physical aspect. Sure enough, there is a section of copper colored tape/wiring exposed in the batter slot that is slightly bowed where it's smallest. When I depressed this with my finger tip on this portion to basically flatten it out flush against the housing; I found that all functionality was restored!

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