Pam Bush upgraded her Mac to the latest version of OS X, but her Photos library is full of black thumbnails, rather than tiny images. The Mac consultant who handled her upgrade told her it was a bug, and she needed to “rotate every image manually.” “Not going to happen in my lifetime,” Pam writes.

How To Repair Mac Photos Library
Mac Photos Has Attempted To Repair The Library Code
Mac Photos Has Attempted To Repair The Library But Is Unable To Open It

The consultant is technically correct: iPhoto and Photos rebuilds previews if you rotate an image, which can be done in Photos in the All Photos view by selecting Edit > Select All and then Image > Rotate Clockwise or Rotate Counterclockwise, and then the opposite after the rotation is complete.

On your Mac, hold down the Option and Command keys while you launch Photos. You will be presented with the Repair Library dialog box. That's taken from the System Photo Library overview, part of Photos' help.In a nutshell, Apple recommends that if you've moved the System Photo Library to an external drive—as nearly anyone who takes lots of pictures will have done, given space-limited solid-state internal drives—you do not use Time Machine on that drive.

However, for a large photo library, this is a lot of wasted time and effort, and might mask other problems in the file structure. Instead, you can rebuild thumbnails or repair the library, depending on the software you use.

How To Repair Mac Photos Library

For iPhotos and Photos alike, quit the app, then hold down Command and Option while launching, and keep them held down until you see a dialog.

In iPhoto, you’re prompted with the Photo Library First Aid dialog, and can choose among a number of options, including Rebuild Thumbnails. Select it, and click Repair. (Earlier versions of iPhoto had the Rebuild Photo Library dialog with two thumbnails options, and others that could be checked off at the same time.)

Photos removed any options: when it’s launched with Command and Option held down, you can opt to Rebuild or Quit. Lexicon pcm native reverb bundle crack download. Rebuilding performs all maintenance operations and shows you the progress as it goes.

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Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.

Thrice-named reader Rene Linda Lopez would like some help with her iPhoto images. She writes:

How can I find and fix or delete corrupt image files in my iPhoto library?

Let’s start by locating your files.

Mac Photos Has Attempted To Repair The Library Code

By default, iPhoto stores your pictures here:

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youruserfolder /Pictures/iPhoto Library/ year / month / day where year/month/day equals something along the lines of folders named 2005, 12, and 30 to represent pictures made on December 30, 2005. If you’ve edited any images made that day, you’ll find the edited versions in the date folder and the original images in a folder called Originals.

If luck is on your side, the corrupt image is one you’ve edited. In such a case, you can select the corrupt image in iPhoto and choose Photos > Revert to Original. As the command hints, this replaces the edited version with the original, which you are then free to reedit. If iPhoto doesn’t have the wherewithal to revert to that image, you can always try reimporting the thing from the Originals folder that houses it.

Before tossing images that won’t behave, I attempt to open them in a different application. For example, some .jpg files I work with refuse to open in Preview but will open in Photoshop. If you can successfully open the image in another application, put the Save As command to good use and create a copy.

If the image won’t be opened for love nor money, you’re not completely out of luck. You still have a tiny copy of the image in the date folder’s Thumbs folder. It’s small consolation, I know, but in cases where you’ve lost a picture you treasure, sometimes a little is better than nothing.

Mac Photos Has Attempted To Repair The Library But Is Unable To Open It

How to fix a damaged macos photos library

To delete that corrupt image, just select it in iPhoto and choose Photos > Move to Trash.

And if you’re a pack-rat who doesn’t take a lot of pictures, check your media cards to see if the image remains there. Or if you’ve got an iPod with video, perhaps you’ve stored a copy on it. Count yourself blessed if you’ve switched on the Include Full-Resolution Photos option in the Photos portion of the iPod Preferences window. If you have, just rummage around in the iPod’s Photos folder to find your image. If you haven’t enabled this option, you can use Echo One Software’s $8 File Juicer to extract images from an iPod.

Mac photos has attempted to repair the library code

Finally, if a lot of your images appear to have gone south (or have disappeared), it may be because iPhoto’s library needs some attention. You can give it that attention by rebuilding the library and recovering orphan photos from the library. To do so, hold down Command and Option and launch the program. A dialog box will appear that offers you the option to rebuild iPhoto’s small thumbnails, rebuild all the photos’ thumbnails, rebuild the iPhoto Library database, and recover orphaned photos from the iPhoto Library folder.

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Chris has covered technology and media since the latter days of the Reagan Administration. In addition to his journalistic endeavors, he's a professional musician in the San Francisco Bay Area.