How To Fix Your Macbook Keyboard Lights If They Don’t Work

Fix #1: Ensure that your keyboard lights are enabled Click on the Apple logo in the top left corner of your screen. Open System Preferences Click on Keyboard Make sure that “Adjust keyboard brightness in low light” is un-checked. Press F6 to increase brightness. The keyboard should light up. Fix #2: Reset the Ambient Light […]
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How To Fix The 4SNS/1/40000000: TB3T-128.000 Macbook Error

Some people have run the Apple Hardware test on their Apple computers and have run into the error message 4SNS/1/40000000: TB3T-128.000. This is especially an issue on the unibody aluminum Macbook Pros. According to Apple this error message refers to the sensors inside the computer, specifically the battery temperature sensor. In order to resolve this issue […]
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