Secondary Screen

Is it possible to use a 2009 21.5” iMac as a secondary screen for a MacBook Air?

Posted on Aug 23, 2019 4:38 AM

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dialabrain

Level 10

135,851 points

Posted on Aug 23, 2019 5:30 AM

No. It requires a Late 2009 27" iMac.

Use your iMac as a display with Target Display Mode - Apple Support

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dialabrain

Level 10

135,851 points

Aug 23, 2019 5:30 AM in response to MsRusty

No. It requires a Late 2009 27" iMac.

Use your iMac as a display with Target Display Mode - Apple Support

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