Hunterwizard221

It's so lame, but you just have to work around it since Apple won't ever fix it. I have used both Jettison and Mountain to manually manage mounting and dismounting, and also Caffeine to keep the Mac awake. I manually sleep after dismounting. Annoying, but better than losing a drive, which has happened to me. Jettison eliminates the hassle of manually ejecting external drives before you put your MacBook to sleep. With Jettison, you just close your MacBook, unplug and go! Limitations: 15-day trial. Versions:. Download is for current version. Version 1.6 for OS X 10.7-10.13 Requirements: OS X 10.9+ Intel.

Jettison (Mac App Store link) doesn’t offer as many bells and whistles as UnDock, but it has one unique advantage: It’s entirely automatic. With Jettison running, you simply close your MacBook’s. Please do the following: Delete all copies of Jettison from your Mac. Open the App Store application and click on the Purchases tab. Find Jettison in your list of purchases and re-download it. Visit our website again and download Jettison from Click on the.dmg. Jettison – the app will automatically unmount your Mac’s external drives before your computer goes into sleep mode. Simply put, as soon as you close the lid of your Macbook, all your connected external drives will be unmounted, including Time Machines. The developer guarantees that the Time Machines backup will be correctly stopped and unmounted, even if incremental backup operations are performed at that moment.

About the App

• App name: Jettison
• App description: jettison (App: Jettison.app)
• App website: http://www.stclairsoft.com/Jettison/

Install the App

1. Press Command+Space and type Terminal and press enter/return key.
2. Run in Terminal app:
   ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)' < /dev/null 2> /dev/null ; brew install caskroom/cask/brew-cask 2> /dev/null
   and press enter/return key.
   If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish.
3. Run:
   brew cask install jettison

Done! You can now use Jettison.

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This app has been discontinued

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32-bit app warning

{{app.name}} is 32-bit. It will not be supported in macOS 10.15 Catalina (2019 release) unless it is updated by the developer.

About the app

Ready for Apple Silicon

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Jettison For Mac

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Jettison Mac Utility

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