My computer stops often when it starts (black screen)
My Macbook has a boot problem. When I start it, it uses not to boot. I hear the hardrive and do not see the apple boot screen. Sometimes, it is OK and I can work on it but it uses also to stop after a moment. I have done some command+alt+p+r, but the problem persists. It seems to be a known issue and I heard it is about the motherboard (battery). Do you have a tutorial to replace it?
Thank you for your attention.
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