my AirDrop not working

And it worked before?

Safe Boot from the HD, (holding Shift key down at startup), does the problem occur in Safe Mode?

Safe mode attempts to repair Disks & clears lots of caches, so if Safe Mode works try again in regular boot.

OK, have you got it showing in Finder's Sidebar, & tried this?

https://support.apple.com/en-us/HT203106

Any luck yet?

My airdrop on my macbook pro is not working...and it used to!

MacBook Pro 13 inch serial #W8***ATM

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