HT201295: Reset the System Management Controller (SMC) on your Mac
Learn about Reset the System Management Controller (SMC) on your Mac
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Q: I have been having the grey screen when starting my computer. I have tried almost everything and nothing works. Those this mean th ... I have been having the grey screen when starting my computer. I have tried almost everything and nothing works. Those this mean that I will be loosing all of my information located in my computer? more