Fix random sleep/wake issues on a Macbook

Fix random sleep/wake issues on a Macbook

Problem:

You are having problems with random sleep/wake issues.

Resolution:

Make the following changes to fix these isues:
1 Click Apple menu and choose “system preferences”.
2 Then choose “Energy Saver”.
3 Then click the “restore defaults” button.
4 Then uncheck “wake on network access” and “start up automatically after a power failure” if they are checked.
5 If there is a “power nap” checkbox (Yosemite only) then uncheck this as well and close the preferences.

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