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Back up your library

Before following any of these steps, it's a good idea to create a backup of your photo library, even if you use iCloud Photos. You can use Time Machine, use a third-party backup solution, or copy the library to an external drive. By default, your photo library is stored in the Pictures folder within your home folder.

There are a few ways to transfer your iTunes library from one computer to another. When you get a new Mac, use Setup Assistant (or Migration Assistant, if you’re switching from Windows) to move files—including your iTunes files—from your old computer to the new one. Move itunes songs to new mac. Mar 16, 2020  How to Transfer iTunes Library to New Mac via AnyTrans for iOS. Besides manually moving your iTunes library to a new Mac, there is an easier and quicker way for you to achieve it – AnyTrans for iOS.It is a professional iOS data manager that allows you to simply transfer your iOS data from one device to another. Move an iTunes library from a Windows PC to a Mac. They want to make sure they can move their digital lives from their old computers to their new ones. Found in the iTunes folder, move the. Jan 04, 2020  How to Move Your iTunes Library. You can move your iTunes library to a different folder, computer, or drive. Here's how to do it, even in macOS Catalina, which ditches iTunes for the Music app.

Mar 24, 2020  Reinstall macOS: Download and reinstall the Mac operating system. Get Help Online: Use Safari to browse the web and find help for your Mac. Links to Apple's support website are included. Browser plug-ins and extensions are disabled. Disk Utility: Use Disk Utility to repair your disk or erase your disk or other storage device. Mar 17, 2019  After rebooting I keep getting this message: 'macOs needs to repair your Library to run application. Type your password to allow this.' I google around a bit, but of course there is nothing about the last Apple Os. I already did a disk utility repair, which actually should also fix. Apr 12, 2017  macOS needs to repair your library to run applications - password doesn't work Mac I opened up my Macbook pro (10.12) and had a pop up that said 'macOS needs to repair your library to run applications' and asked for my password. 'macOS needs to repair your Library to run applications. Type your password to allow this.' They just keep coming up. I've tried setting the permissions on the home and library directories, by doing a Get Info-Sharing & Permissions-Select User-Select Read & Write-Apply to Enclosed Items. Mar 08, 2017  'macOS needs to repair your Library to run applications. Type your password to allow this.' They just keep coming up. I've tried setting the permissions on the home and library directories, by doing a Get Info-Sharing & Permissions-Select User-Select Read & Write-Apply to Enclosed Items. If the previous method did not help to fix “macOS needs to repair your library to run applications” error, try to solve the problem by following these steps: Restart your Mac and hold Command + R to enter into Recovery Mode. When your computer is turned on, go to Utilities and open Terminal. Mar 18, 2020 If your Photos library won't open, or if Photos behaves unexpectedly, the Photos library repair tool might resolve the issues. Follow these steps to use the Photos library repair tool: Hold down the Option and Command keys while you open Photos on your Mac.

Make sure that your software is up to date

Photos is part of the Mac operating system. You can avoid or fix many issues by running the most up-to-date version of macOS. Learn more about updating the software on your Mac.

If you use RAW images in Photos, learn more about the digital camera RAW formats supported by iOS, iPadOS, and macOS.

If you have trouble migrating an existing iPhoto or Aperture library to Photos

You might see an alert message when you first open Photos or migrate an existing iPhoto or Aperture library. Learn what to do if Photos can’t copy or create a library.

If the Media Browser isn't showing your photos and videos

Use the Media Browser to make images from your photo library available in other apps, like Pages and iMovie. The Media Browser shows only the contents of the Photos library designated as the System Photo Library. If you have more than one Photos library—and the one you're using isn't set as the System Photo Library—the Media Browser won't show its contents.

Follow these steps to designate the current library as the System Photo Library:

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  1. Choose Photos > Preferences.
  2. Click the General button at the top of the Preferences window.
  3. Click Use as System Photo Library.

If you're having other issues with Photos

If you're experiencing other issues—like missing or blank photo thumbnails, unexpected behavior, or if Photos won’t open—try to see if it's an issue with your library by following these steps.

Create a new Photos library and see if your issues persist:

  1. Quit Photos.
  2. Press and hold the Option key while you open Photos.
  3. In the dialog that appears, click Create New.
  4. Give your new library a name, then click OK. Note whether Photos opens successfully with this new library.

To return to your main Photos library, quit Photos. Then open it again while holding the Option key, select your main library, and click Choose Library.

Alternatively, you can open Photos in another user account on your Mac and note whether Photos opens successfully.

If Photos opens with the new library, or in a different user account, it might mean that there's an issue with your library. Follow the steps to use the Photos library repair tool on your main Photos library.

If it's not selected, click to unlock it, enter an administrator name and password, then select the checkbox. If you see an error, select your external drive's icon in the Finder, then choose File Get Info. If the information under Sharing & Permissions isn't visible, click, then make sure the 'Ignore ownership on this volume' checkbox is selected. Drag your library to its new location on the external drive. Mac copy folder path.

Learn more

  • Learn how to create and order print products like books or calendars in Photos with Project Extensions.
  • Get help with iCloud Photos.

macOS Recovery is part of the built-in recovery system of your Mac. You can start up from macOS Recovery and use its utilities to recover from certain software issues or take other actions on your Mac.

How to start up from macOS Recovery

  1. Turn on your Mac and immediately press and hold these two keys: Command (⌘) and R. Need help?
  2. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
  3. You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
  4. Startup is complete when you see the utilities window:
  5. After starting up from macOS Recovery, select a utility, then click Continue:
    • Restore From Time Machine Backup:Restore your Mac from a Time Machine backup.
    • Reinstall macOS: Download and reinstall the Mac operating system.
    • Get Help Online: Use Safari to browse the web and find help for your Mac. Links to Apple's support website are included. Browser plug-ins and extensions are disabled.
    • Disk Utility: Use Disk Utility to repair your disk or erase your disk or other storage device.

      Additional utilities are available from the Utilities menu in the menu bar: Startup Security Utility (or Firmware Password Utility), Network Utility, and Terminal.
  6. To quit macOS Recovery, choose Restart or Shut Down from the Apple menu . If you want to choose a different startup disk before quitting, choose Startup Disk from the Apple menu.

If you can't start up from macOS Recovery

If your Mac can't start up from its built-in macOS Recovery system, it might try to start up from macOS Recovery over the Internet. When that happens, you see a spinning globe instead of an Apple logo during startup:

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To manually start up from Internet Recovery, press and hold either of these key combinations at startup:

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  • Option-Command-R
  • Shift-Option-Command-R
    Learn more

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If startup from Internet Recovery is unsuccessful, you see a globe with an alert symbol (exclamation point):

In that case, try these solutions:

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  • Make sure that your Mac can connect to the Internet. If you're not prompted to choose a Wi-Fi network during startup, move your pointer to the top of the screen, then choose a network from the Wi-Fi menu , if available.
  • Press Command-R at startup to try using the built-in Recovery system instead of Internet Recovery.
  • Connect to the Internet using Ethernet instead of Wi-Fi, or vice versa.
  • Connect to the Internet from a different Wi-Fi or Ethernet network. Your network configuration might not allow the Internet access that macOS Recovery needs.
  • Try again later, because the issue might be temporary.
  • Start up from another disk or volume, if available, or use a bootable installer to reinstall macOS.

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If you still need help, please contact Apple Support.