But if not, then you should have your MacBook Pro serviced. Hopefully one of the fixes above worked for you. Now turn on your MacBook Pro and see if this fixed your issue. After that, release all these keys and button. If you do, great! But if not, move on to the steps below.ģ) Press and hold the left Shift key, the left Control key and the left Option key for 7 seconds, then (don’t release these keys!) press and hold the power button and wait for another 7 seconds. If you are using a MacBook Pro 2018 or laterġ) Press and hold the power button for 10 seconds, then release it.Ģ) Press the power button to see if you’re able to turn on your MacBook Pro. Press and hold the left Shift key, the left Control key, the left Option key and the power button on your notebook for 10 seconds, then release them. If you are using a MacBook Pro 2017 or earlier Resetting this controller is helpful for fixing a lot of hardware issues, including that you can’t turn on your MacBook Pro. The SMC (System Management Controller) in your MacBook Pro is responsible for some important hardware functions of your notebook. But if not, you may need to… Fix 3: Reset the SMC To do this:ġ) Remove the power cable from your MacBook ProĢ) Press and hold the power button for 10 seconds, then (don’t release the button!) plug the power cable back into your MacBook Pro.ģ) Release the power button when you see your MacBook Pro start up.
This is an effective fix for your MacBook Pro not working issue. AFAIK, someone removed the chip and tried to solder it again, but failed miserably. Problem is, my board is MISSING ISL6259 (AKA U7000), so this explains why it doesn't work at all. If this didn’t work for you, move on to Fix 2, below… Fix 2: Press the power button for 10 seconds The A1278 schematics shows that the ISL6259 is probably the culprit of unbootable MacBook Pro boards.
And replace your cable or adapter with the new ones if you’re experiencing any problem with them. If your laptop has been plugged in, then make sure your power cable and adapter are not broken. Then wait for a couple of minutes, and try turning it on. If you were using your laptop on battery power, just plug the power cable into your notebook. Make sure your MacBook Pro has enough power. This is the first thing you should do when your MacBook Pro is not turning on. Fix 1: Check the power status of your MacBook Pro Although these fixes are for MacBook Pro, some of them also work for the MacBook Air or iMac won’t turn on issue.
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