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Question: Fan sound and black screen, what should I do ?

Fan sound, Black screen, slow

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Mar 12, 2018 7:13 AM in response to maryam_uae_ In response to maryam_uae_

shut down and disconnect all external devices

reset the smc

How to reset the System Management Controller (SMC) on your Mac - Apple Support

repeat 2 or 3 times

reset the nvram

How to reset NVRAM on your Mac - Apple Support

repeat 2 or 3 times

boot into safe mode

Use safe mode to isolate issues with your Mac - Apple Support

then reboot normally.

Mar 12, 2018 7:13 AM

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Question: Fan sound and black screen, what should I do ?