Start up from macOS Recovery

To clean up Mac, and create more disk space, this best free Mac cleaning software is an ideal choice. Compatibility: Mac OS X 10.4 (Tiger) and later versions. Next, let's clean up the applications you are keeping. When you install an app on your Mac, the piece of software arrives as part of a package of files, including permissions that tell MacOS which. Right-click (two-finger tap on a trackpad) any open space and choose Clean Up to get things arranged neatly, or Clean Up By to sort them as well. Consider the Use Stacks feature to automatically. It can help macOS 10.15 users to securely and quickly clean up system junk, app junk, email junk, iTunes junk, trash bin junk, caches, useless logs, register files after upgrading to macOS Catalina. You can remove all junk data by only 1 click.

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

Turn on your Mac and continue to press and hold the power button until you see the startup options window. Click the gear icon labeled Options, then click Continue.

Intel processor

Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.

If you're asked to select a user you know the password for, select the user, click Next, then enter their administrator password.

Reinstall macOS

Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.

Follow these guidelines during installation:

Zoo Clean Up Mac Os X Yosemite

  • If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
  • If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
  • If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.
  • Allow installation to complete without putting your Mac to sleep or closing its lid. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

After installation is complete, your Mac might restart to a setup assistant. If you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.

Other macOS installation options

When you install macOS from Recovery, you get the current version of the most recently installed macOS, with some exceptions:

Zoo
  • On an Intel-based Mac: If you use Shift-Option-Command-R during startup, you're offered the macOS that came with your Mac, or the closest version still available. If you use Option-Command-R during startup, in most cases you're offered the latest macOS that is compatible with your Mac. Otherwise you're offered the macOS that came with your Mac, or the closest version still available.
  • If the Mac logic board was just replaced, you may be offered only the latest macOS that is compatible with your Mac. If you just erased your entire startup disk, you may be offered only the macOS that came with your Mac, or the closest version still available.

You can also use these methods to install macOS, if the macOS is compatible with your Mac:

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  • Use the App Store to download and install the latest macOS.
  • Use the App Store or a web browser to download and install an earlier macOS.
  • Use a USB flash drive or other secondary volume to create a bootable installer.

The most convenient way for users to launch an application is by using Launchpad, the macOS utility that shows all the software currently installed on the Mac system. But the problem is, as the software installed on the Mac grows so do the number of Launchpad pages – and in this case you would probably appreciate knowing how to clean that up.

What Happens If Launchpad Is Clogged With App Icons?

Since apps occupy space on the startup disk, having tons of apps installed on it will result in a slow computer. Since macOS needs roughly 20% of the startup disk to be free to perform well, as soon as this threshold is hit users will notice various signs of computer slowdown: apps will bounce for longer in the Dock when launching, the Mac may overheat, and a task may take more time to finish than it did previously.

Download CleanMyMac X from MacPaw’s website and clean up to 500MB of junk data from your computer while enjoying all the features of the software without major limitations.

How to Clean up Launchpad

There are two ways to clean up Launchpad. This utility shows only the apps that are installed on the system but in some cases, if the software was uninstalled improperly, then users may also see an app icon with a question mark. That usually indicates software with some leftover files, and such icons will appear either in the Dock or the Launchpad.

The first and easiest way to clean up Launchpad is similar to the way users remove apps from iOS:

  1. Click and hold the icon until you see all the icons jiggle.
  2. Click on the “x” button in the upper-left of the icon you want to delete.
  3. Click “Delete” in the confirmation dialog.

If you don't see the “x” button, it's either because you are logged in as a standard user or because the software wasn't installed through the Mac App Store.

If the latter applies, then the second scenario kicks in: the only way users can make an icon disappear is by uninstalling the app from the Applications folder. In most cases dragging and dropping into the trashcan works, but there are apps like the Adobe Creative Suite or Microsoft Office that have their own uninstaller. Even so, the drag-and-drop method still allows for the software to leave traces behind, so it is wise to turn to a utility in order to truly achieve complete deletion.

A wide variety of Mac optimization apps include the ‘Uninstaller’ feature, so if you want to completely remove third-party software, this is the best way to do so. Alternatively, you could use a free utility such as AppCleaner.

Removing the app from the Applications folder will then remove its icon from Launchpad.

Rebuild the Launchpad Database

Sometimes users may encounter errors while launching an app that say macOS can't open the software because it may be damaged or incomplete. In this case, removing it from the Applications folder isn't an option because the system can't find the software in the first place, and the only way to address this issue is to rebuild the Launchpad database following the steps below on Macs running OS X 10.10 Yosemite or later:

  1. Open Finder, and access the Library folder.
  2. Open the Applications Support folder, and then locate and open the Dock folder.
  3. Here you'll find a number of files, including one called desktoppicture.db and others, with a dashed set of letters and numbers with the “extension db”. If you don’t, that’s not a problem. Leave the desktop picture.db file intact and move the files with the dashed letters or numbers into the trash.
  4. Launch Terminal, then copy and paste the following command:

    defaults write com.apple.dock ResetLaunchPad -bool true

  5. Next, enter the following command: “killall Dock” and press return.

At this point the Launchpad database has been reset. Next time you open Launchpad, it will take a while for the app icons to appear. What you'll see is the default organization of the app icons, meaning that Apple apps will appear on the first page and third-party apps on the following pages. These icons can then be moved at will to customize Launchpad's look.

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