Software 
Die Metadaten weichen für Olympus-Kameras in Aperture 3 ab
Möglicherweise stellen Sie Unterschiede bei den Objektiv-Metadaten für Bilder fest, die Sie mit einer Olympus-Kamera aufgenommen haben. Die RAW- und JPEG-Dateien entsprechen einander nicht.
If a flashing question mark appears after installing ‘OS X Yosemite Recovery Update 1.0.’
This issue might happen if you have enabled FileVault full disk encryption and a firmware password on your Mac at the same time. Use these steps to reselect your startup disk.
If your MacBook (Retina, 12-inch, Early 2015) won’t recognize startup key combinations
If you use an Apple wireless keyboard with your MacBook (Retina, 12-inch, Early 2015), startup key combinations don’t work. This might prevent you from being able to get to Startup Manager, Recovery Mode, Single User Mode, Safe Mode, or resetting … Continue reading
Report iMessages that look like spam or junk
If you get iMessages that look like spam or junk, you can report these to Apple.
Photos saves disk space by sharing images with your iPhoto or Aperture libraries
Learn how Photos stores images when you migrate your iPhoto or Aperture library and saves disk space by sharing images.
