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Lift the plastic flap to expose the battery.Undo the locking clip underneath your MacBook Pro.You should see a small locking clip next to the battery if it comes out. Check underneath to see if the battery is removable or not. If you’re using an older MacBook Pro, it may have a removable battery.
MAC PRO 2013 RAM NOT RECOGNIZED PROFESSIONAL
This setback is undoubtedly better than professional maintenance that takes time and costs money. You will have to reconfigure some hardware settings once it successfully starts up, but it is a small price to pay for getting your laptop working again. If an SMC error was causing the MacBook Pro not to boot, it should now boot normally. Then, press the pow er button to boot your laptop.Let go of all keys and reconnect the charger.Hold down Shift + Control + Option and the power button for ten seconds.Unplug the laptop from the charger and peripherals.If you have gotten this far without a successful boot, try resetting the SMC on your MacBook Pro. Resetting the SMC is usually left until last as it resets many settings back to their defaults.
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It manages all the low-level functions of the Macbook Pro, such as the power button, display, battery, fans, motion sensing, keyboard, indicator lights, and other similar elements. The SMC is the System Management Controller. If not, the MacBook Pro will still fail to start, and you’ll need to keep reading. If you’re fortunate, it will boot successfully.
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One is to darken the display, and the other is to brighten it. There are two keys along the top of the keyboard with sun icons on them.