It’s worth it that in some situations where the battery seems to be empty but not actually (i.e., the charge is long empty, but the battery itself isn’t completely useless yet), you may be able to successfully start your MacBook Pro with the right 85W MagSafe power adapter. When replacing some other internal components, sometimes simply plugging in the MagSafe adapter and holding down the power button for 10 seconds is enough to get your MacBook Pro to turn on.
Still, Snow Leopard still works well!Īs you can see in the screenshot below, the “No Battery” indicator is visible, but your MacBook Pro is up and running.Īnd indeed, this MacBook Pro does not have a physical battery, as you can see inside the picture:Īlso starting your MacBook Pro after replacing the battery, logic board, hard drive, RAM, etc.Īpparently, the same scenario mentioned above for MacBook / MacBook Pro non-bootability can also develop when replacing other internal components with these older MacBook Pro (2006, 2007, 2008, 2021, 2021, 2021, etc.), including replaced logic disks, internal hard disks, RAM, battery and possibly other hardware components. However, the above method of disconnecting and reconnecting the MagSafe by holding down the power button managed to turn on the Mac - while the fans were running at full speed and at a reduced clock speed. When the battery is removed, you can press the power button, but nothing happens.
I experienced this scenario on an old MacBook Pro 2021 after removing the swollen battery.
2006 macbook pro logic board replacement install#
The only way to prevent the fans from running at full speed and return the clock to normal performance is to install a new battery in your MacBook Pro. It also seems that the MacBook Pro is slowing down its own clock speed in this situation, which degrades performance. When your MacBook Pro starts up, the fans explode at full speed throughout your Mac (resetting SMC or PRAM doesn’t stop the fans from running, just replace the battery). Release the power button, and then press the power button as usual to turn on the computer and turn on the Mac.Continue to hold down the power button and plug the MagSafe power cord into your MacBook Pro and hold down the power button for another 10 seconds.Press and hold the power button for 10 seconds and continue to hold it.In this case, you can force your MacBook Pro to start as follows: Then, when you try to start your Mac or press the Start button, nothing happens.
2006 macbook pro logic board replacement how to#
How to Start Your MacBook Pro Without a BatteryĪssume that your MacBook Pro does not have a battery installed in your computer, which means that the battery is not physically installed.