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Model A1181: 1.83, 2, 2.1, 2.13, 2.16, 2.2, or 2.4 GHz Core 2 Duo processor

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Keyboard and Trackpad stopped working

The keyboard and trackpad on my MacBook (Early 2009) stopped working. They work fine if I press the option key while booting or do anything else before booting such as reset NVRAM but once the OS boots up completely they don't work.

I also tried using external keyboard and mouse but the issue persists.

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You say you have also tried using an external keyboard & mouse. Is that to say they work without any issues? It's only the built-in keyboard & trackpad that has problems - Is that correct? And both external units are USB wired Vs Bluetooth correct?

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Try SMC reset and run the system through safe mode (shift key while turning on). Then try if they work and change some accessibility settings to disabled.

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Taha Husain 将永远感激不已
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