Photos in your System Photo Library are available in apps like iMovie, Pages, and Keynote. You can also sync them to iOS devices and view them on Apple TV. And if you want to use your own images as your desktop picture or screen saver, the images need to be in your System Photo Library before you can select them in System Preferences.
Jun 23, 2015 Photos is Apple's photo-management app that recently replaced iPhoto with the release of OS X Yosemite 10.10.3. It certainly gets the job done, but it can still be prone to errors once in a while. You may even a green hand of Mac, so you may anxious but unable to do anything when you are facing such problems. Mac Data Recovery can recover lost, deleted, formatted or corrupted photos from iPhoto library on iMac, MacBook Pro, Air, Mac Mini and Mac Pro. Dec 16, 2018 Double-click a photo in your Photos library to open it, click Edit in the toolbar, then choose Image Reprocess RAW. Before applying this fix I'd repair the Photos library, just in case there are other hidden corruptions. Only, if your library is an iCloud Photo Library wait with repairing as the last resort.
If you have only one photo library, then it's the System Photo Library. Otherwise, the first photo library that you create or open in Photos will become the System Photo Library. If you have more than one library, you might need to designate a System Photo Library, so other apps can access the photos and videos you want them to use.
Follow these steps to designate a System Photo Library:
- Quit Photos.
- Hold down the Option key and open Photos. One of the photo libraries is already designated as YourLibraryName (System Photo Library).
- Choose the library you want to designate as the System Photo Library.
- After Photos opens the library, choose Photos > Preferences from the menu bar.
- Click the General tab.
- Click the Use as System Photo Library button.
How To Rebuild Mac Photo Library Free
If you open a second or different library in the Photos app, and you haven't designated it as the System Photo Library, other applications will use photos from the original System Photo Library. Hold down the Option key when you open Photos to see which library is set as the System Photo Library.
iCloud and the System Photo Library
You can use iCloud Photos, Shared Albums, and My Photo Stream only with the System Photo Library. If you choose a different library in Photos without designating it as the System Photo Library, the iCloud tab in Photos preferences is disabled:
Mac Photos Updating Library
If you designate a new library as the System Photo Library and then turn on iCloud Photos, the photos and videos in the new library will merge with those already in your iCloud Photos. If you want to keep the contents of your photo libraries separate, don’t turn on iCloud Photos for more than one library in Photos.