If you see green pixelation when you play video content that you bought from the iTunes Store

Update or upgrade your macOS.

You might see green pixelation or video distortion when you play video content that you bought from the iTunes Store on your Mac if you:

  • Installed macOS High Sierra on one volume and started up from another volume that uses an earlier version of macOS; or
  • Installed macOS High Sierra on your computer, then reinstalled OS X Yosemite or earlier.

To resolve the issue, continue below.

Resolve the issue

If you're using macOS High Sierra, Sierra, or OS X El Capitan, install all available updates for that operating system.

If you're using OS X Yosemite or earlier, learn how to upgrade to macOS High Sierra through the App Store on your Mac.

Get more help

Please contact Apple Support or use reportaproblem.apple.com if the steps above did not resolve the playback issue.

Learn more about downloading and watching HD video.

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