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.
Make sure that your software is up to date
Apr 12, 2020 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: Quit Photos. Press and hold the Option key while you open Photos.
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.
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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:
- Choose Photos > Preferences.
- Click the General button at the top of the Preferences window.
- 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:
- Quit Photos.
- Press and hold the Option key while you open Photos.
- In the dialog that appears, click Create New.
- 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.
Learn more
- Learn how to create and order print products like books or calendars in Photos with Project Extensions.
- Get help with iCloud Photos.
You may occasionally try to open a file and find that it won’t open. If so, you probably see a dialog box instead. Before you go surfing around the dialog box, bear in mind a couple of things.
First thing to note: The reason the file doesn’t open is that your computer lacks the software to open it. That’s a fact. If someone emailed you the file, email them back and explain that you cannot open the file. Your situation isn’t your own fault; the other person needs to send the file in the proper format.
Second thing to note: Some files aren’t worth opening. Don’t even try. The file may just be binary code that a human wouldn’t understand or appreciate anyway.
When the mood hits you, however, you do have a choice: In Windows XP, you see a dialog box with an Open With button. Click the button. It opens the same type of dialog box displayed immediately by Windows 7 and Windows Vista.
In the dialog box, you can choose the option Use the Web Service to Find the Correct Program, but the odds are good that the search turns up empty. Instead, choose the second option, Select a Program from a List of Installed Programs. When you do, you see the Open With dialog box.
The Open With dialog box is used to open a file with a specific program.
The first thing to do is remove the check mark by the option Always Use the Selected Program to Open This Kind of File. When you fail to do so, you perform the process of file association, which probably isn’t wise to do at this point.
One program listed in the window might open the file in a readable state. My suggestion is to try Notepad first. Notepad can easily view text files, and many mystery files are text files.
Mac Won't Install Software Update
When Notepad doesn’t work, you can try Internet Explorer, which recognizes a wide swath of different programs.
Why Won T My Mac Update
Some people have a temptation to peek around in a computer. It is a wonderful trait to be curious. But there’s also a danger. The danger is that it’s a bad thing to delete or change any file you didn’t create yourself. Just because you don’t understand a file, or can delete the file and not see any immediate change, doesn’t mean that the computer is okay.
My Macbook Won't Update Software
Don’t delete any file you didn’t yourself create. Zip software mac os x.
Likewise, don’t rename, move, or modify any file you didn’t create.