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MacBook Air early 2015 macOS High Sierra slow boot

Hi I am facing issue slow booting and also more power usage and while lock and unlock of screen its booting very slow . help me with this .

    Go step by step and test.

1. Reset PRAM:   https://support.apple.com/kb/PH14222

2. Reset SMC.  https://support.apple.com/en-us/HT201295

    Choose the method for: “On Mac notebooks with non-removable battery”

3. Start up in Safe Mode.   https://support.apple.com/kb/ph14204

     To restart normally click the “Restart” button at the bottom.

最后更新：2017-11-13 23:29:41

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