![]() ![]() If you are going to store your MacBook away for an extended period of time, keep it in a cool location (room temperature roughly 22° C or about 72° F). for free in shop full diagnostic and likely parts replacement □ If same and incapable of powering up., then:Ĭontact Apple for an appt. Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC. Press the power button to turn on the computer.Release all the keys and the power button at the same time.On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time. ![]() Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.Did you shut down your computer "over a month ago" on less than 20% or so of power? If so that extremely harsh on the lithium battery, since self-discharge occurs naturally and storing it away low is very hard on same. ![]()
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