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You are frequently saving particularly large files, greater than 1GB.

You are running out of storage space (we always advise keeping 10% of your storage free).

The only reason you might need to defrag your Mac is if the following applies: Guide to using Disk Utility here, and also various Luckily Macs have a number of tools in Disk Utility for troubleshooting and fixing various problems with your system, so itвЂ™s worth having a look there. No doubt AppleвЂ™s response to that would be that APFS will not benefit from defragging.Д¬hances are that if you are having a problem with your Mac it is unrelated to fragmented files. The companies that make tools for defragging Macs complain that Apple hasnвЂ™t issued sufficient information about how APFS works for them to be able to be able to offer tools to defrag the new filing system. Si le stockage de votre MacBook ou iMac le supporte alors dГЁs lвЂ™installation de macOS High Sierra en dual boot sur une partition vide ou bien lors dвЂ™une installation propre de macOS High Sierra (10.13), vous pouvez choisir, dГЁs le dГ©part le format de fichier APFS en laissant cochГ© la case correspondante. Like its predecessor, APFS automatically defragments your drive on the fly, although it works a little differently as it creates snapshots of files so you can access different versions of the same files. APFS macOS High Sierra (10.13) : lors de lвЂ™installation. macOS in that the great bulk of macOS is loaded and run from a Sealed System Volume (SSV). APFS was initially only available on SSDs (which as weвЂ™ve already said, shouldnвЂ™t be defragged anyway), but it arrived on hard drives and Fusion drives in 2018 with Mojave. This feature was introduced in Apples macOS High Sierra 10. A year later, in 2003, Hot File Adaptive Clustering arrived, which identifies files that are frequently accessed but rarely updated and moves them to a special area of the drive, defragging them during the process.ДЄpple then introduced APFS (Apple File System) in High Sierra in 2017.

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Then in Mac OS X 10.2, which arrived in 2002, the system got even cleverer at avoiding fragmentation. HFS+, which was introduced in 1998, could defrag files on the fly thanks to Hot File Clustering. Mac do not need to be defragmented because the file system (initially HFS+ and more recently APFS) prevents fragmentation and automatically defrags files if necessary вЂ“ if the file has more than eight fragments, or is smaller than 20MB, it will be automatically defragged.

If you are running High Sierra or Mojave, and your file system has been changed to AppleвЂ™s newer APFS, you will not be able to use any third party tools to defrag your Mac as there are none that work.

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Your Mac operating system does not predate 2002 (if it does can we suggest you update your Mac!).

If any of the following applies to you we would suggest that defraging is not the solution to your problem: For example, depending on how you want to listen through, select an appropriate device such as iMac Speakers, Internal Speakers, your external speakers, Display Audio, or USB speakers.As weвЂ™ll explain below, you probably donвЂ™t need to defrag your Mac.

Ensure that the correct sound device is selected.

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You may want to adjust the slider to 50-75% of its full range.

On your Mac, go to System Preferences, click Sound, then click Output.

If they have a volume control knob or control, ensure that the volume is turned up or properly set. If it is a USB device, ensure that you use the USB port. Ensure that the speaker cable is securely plugged into the вЂњaudio out portвЂќ on your Mac.

If you are experiencing this problem with external speakers, ensure that they are turned on and connected properly.

If you are experiencing this problem when using a particular app, ensure that the volume level in the app isnвЂ™t low or muted as several apps have their own audio and/or video volume settings.

For example, there may be a setting that needs to be changed. The first step is to check these basic steps.

If you are using external speakers, try cleaning them out.

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If you are using Bluetooth devices (speakers or headphones), ensure that Bluetooth is enabled on your Mac.

Quit all apps to see if this makes a difference.

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You can do so by going to System Preferences > Software Update.

Update your Mac to the latest version of macOS.

You can restart your Mac by going to the Apple menu > Restart.