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No sound, Step 1 This step is most likely to fix the no sound problem, thankfully by using Macs its very easy to troubleshoot when it comes to having issues like these.Firstly you want to go to System Preferences located in the Launchpad.From there click on sound to insure that the Internal Speakers is type – Built-in.Also located down the bottom next to the volume slider is a mute button. For a quick mute/ un mute you can press F10 on the keyboard for that action.Maximise both and you’ll get the most out of your Apple devices, no matter which ones you own.

“Battery lifespan” is the amount of time your battery lasts until it needs to be replaced.Did one of these solutions work to get past the black screen on Mac boot for you?If you happen to run into this unusual issue with your Mac, let us know how you resolved it, and if the above tips worked for your Mac Book, Mac Book Pro, Mac Book Air, and whichever Pro or Air model it may be.Others include headphone and external speakers working but no sound or built in speakers don’t work.Below are some proven steps that fix the no sound problem for the Apple Mac range.

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