Released June 2009 / 2.53 GHz Core 2 Duo Processor

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Illuminate keyboard light does not ON.

Hi, I recently bought a used MacBook Pro Unibody model A1286. The backlit light on keyboard does not turn on at all even in dark area and set the LED screen to low in brightness setting. Please help me.

MacBook Pro Unibody 2.53ghz

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Go to step 22 of the teardown to the ambient sensor and make sure it is connected correctly: MacBook Pro 15" Unibody 2.53 GHz Mid 2009 Logic Board Replacement

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James Sy will be eternally grateful.
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