Why does Airdrop not work between iPhone 6+ with iOS 8.4 and Macbook Air?

[iMore Question]

Just upgraded to iOS 8.4 Airdrop worked with my MacBook Air before upgrade. Does not now. Constant message saying Macbook not now recognized. How do I restore Airdrop?

 

[Bigeric23]

Have you attempted to restart both of your devices? Also, sometimes it takes a bit for them to recognize each other. Have you attempted to leave AirDrop enable for a bit?

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