Fix: MacOS 13.5 “Put Hard Disks To Sleep” Missing

Fix: MacOS 13.5 “Put Hard Disks To Sleep” Missing:Are you a MacOS 13.5 user who has been frustrated by external disks ejecting when sleeping? If this is the case, you are not alone. Many customers have encountered this baffling issue and are looking for strategies to stop it.

In this blog post, we’ll look at the reasons of this problem and the numerous troubleshooting options that can help you overcome it. We’ll also provide remedies recommended by other users who have successfully dealt with this issue. Not to mention Apple’s help resources and their official remedy for the missing “Put Hard Disks To Sleep” option in MacOS 13.5.

So, if your external disks are frequently disconnecting while your Mac is sleeping, keep reading! We have some valuable insights that should put an end to this vexing nuisance once and for all. Let’s get started!

External Drives ejecting during sleep issue

External Drives ejecting during sleep issue
External Drives ejecting during sleep issue

Have you ever been frustrated by external disks ejecting when your Mac is sleeping? It’s a baffling issue that has left many MacOS 13.5 users perplexed. You put your Mac to sleep, expecting everything to stay the same, only to wake up to discover that your external disks have inexplicably disconnected.

So, what exactly is the source of this vexing issue? Several things could be at work. One possibility is that some MacOS power settings or configurations are interfering with the normal operation of external drives while they are in sleep mode. Incompatible or outdated drivers for the connected devices could also be an issue.

Troubleshooting this problem can be difficult, but don’t worry – we have some solutions that may assist.

Understanding the Issue

The absence of a “Put Hard Disks to Sleep” option in macOS 13.5 has left users upset, as they are unable to properly change their energy-saving options. We can hypothesize on the causes for this exclusion by delving into the macOS 13.5 upgrade.

Apple may have built a more complex power management system that handles disk sleep differently. However, some users have claimed that when they connect an external SSD or hard drive, the option reappears, indicating that the lack of the option may be connected to specific hardware combinations.

Fix: MacOS 13.5 “Put Hard Disks To Sleep” Missing

MacOS 13.5 “Put Hard Disks To Sleep” Missing
MacOS 13.5 “Put Hard Disks To Sleep” Missing

Now We Will solve the baffling issue of the “Put Hard Disks to Sleep” option missing from macOS 13.5 Energy Saver settings in this comprehensive article. Many customers have reported this issue after upgrading to macOS 13.5, and while the Ventura stable version of macOS 14 is available, it comes with its own set of problems, including missing Location Services settings.

Users are exploring answers on their own because the developers have not yet publicly addressed this issue. We will investigate the various causes of this missing option and present a detailed remedy that requires utilizing Terminal commands to modify the disks’ sleep behavior.

While we wait for an official answer from the developers, a workaround is available to help people solve the issue temporarily. We may manually alter the sleep behavior of the disks and recover some control over the energy-saving settings by utilizing Terminal commands.

The steps for implementing the workaround are as follows:

  • Launch Terminal: On your macOS 13.5, launch the Terminal application.
  • Identify Disks: Use the following command to identify the disks for which you want to change the sleep behavior:

diskutil list

  • This will provide a list of disks attached to your system, as well as their identification.
  • Adjust Sleep Behavior: You may now use the following command to set the desired sleep behavior for a specific disk:

sudo pmset -a disksleep X

  • Change “X” for the desired sleep time in minutes. Setting “disksleep 10” will, for example, put the disk to sleep after 10 minutes of inactivity.
  • make Changes: You may be need to enter your administrator password in order to make the changes.
  • Check for Changes: Enter the following command to ensure that the modifications have been applied:

pmset -g

  • This will reveal the current power settings for your Mac, including the new disk sleep behavior.
  • Restart: It is suggested that you restart your Mac after making these modifications in order for the changes to take effect.

Cautionary Note

Before attempting this workaround, it is critical to exercise caution and back up your critical data. While Terminal commands are strong and can provide temporary remedies, incorrect use may result in unforeseen consequences. We recommend that new users get advice from someone who is familiar with Terminal commands.



In this article, we covered the issue of the “Put Hard Disks To Sleep” option being missing in MacOS 13.5, as well as possible causes and troubleshooting steps. We also examined user-recommended solutions and Apple support sites.

It is obvious that external drives ejecting when sleeping can be a bothersome issue for many MacOS users. While Apple may not release a definite cure or solution, there are many workarounds you can use to lessen the problem.

Each solution, from eliminating power nap to altering system settings and employing third-party software, has advantages and disadvantages. Experiment with various ways until you find one that works best for your personal configuration.

Always backup your data before making any alterations or adjustments to your system settings. This will help to avoid data loss if something goes wrong during troubleshooting.

If none of the above remedies cure the problem, contact Apple support directly for further assistance. They have dedicated resources and trained employees who can provide advice targeted to your individual situation.

While it might be infuriating when specific features or options are missing from an operating system upgrade like MacOS 13.5, there are frequently workarounds available through user recommendations and alternate techniques. By remaining proactive and exploring various options, you should be able to locate a solution that allows you to put your hard disks to sleep whenever you choose on MacOS 13.5 or subsequent versions of the operating system.

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