Check Mac’s sharing preferences like printer or hard disk
Mac desktop screen wont turn on Bluetooth#
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On Mac desktop (iMac, Mac mini, Mac Pro) and MacBook running macOS Catalina and earlier, click Energy Saver.Click the Apple logo at the top left and choose System Preferences.However, if you have set it to go to sleep after a long time (say 3 hours) or Never, follow the steps below to change it.
Your Mac automatically sleeps after the set time. Your MacBook may have a hardware problemġ.Mac won’t sleep if Spotlight is indexing files.Use Activity Monitor to see apps taking unnecessary resources.
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