![]() If you're finding that this doesn't work then you might need to either disconnect all your USB devices or, if you are using a Mac with a wireless keyboard, you might need to go old-school and use a wired keyboard (any USB keyboard will work with a Mac, it just won't be as stylish). Keep holding down the four buttons until you hear your Mac emit the "WALLe" startup chime for the second time. To reset the PRAM you need to hold down COMMAND and OPTION and P and R while powering on the system. Here's another time where a spare arm or an assistant comes in handy. Refit the battery and restart the Mac.Īpple leads owners through a whole list of things to try before resetting the SMC, but since there doesn't appear to be any downside to doing this, and it's simple to do, I tend to just jump straight to giving it a go. Then press and hold down the power button for five seconds. Laptops with removable batteries (older MacBook systems): Disconnect the system from the power supply and remove the battery.The simultaneously release all the buttons before starting the Mac normally. ![]()
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December 2022
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