External optical drive won't work on macbook pro retina.

I have a macbook pro retina which doesn's have an optical drive. I have bought an optical drive. When I plug it in and put a disk in I can hear the disk spinning and the light comes on but nothing happens on my mac. It doesn't seem to recognise it. Any suggestions?

Anniefb1 wrote:
I have a macbook pro retina which doesn's have an optical drive. I have bought an optical drive. When I plug it in and put a disk in I can hear the disk spinning and the light comes on but nothing happens on my mac. It doesn't seem to recognise it. Any suggestions?
Just had that happen to me.
First, run Disk Utility and see if the SuperDrive (it is an Apple SuperDrive isn't it?) is listed. Is the disk you inserted shown? If not, hold down the option key and click the Apple menu - choose System Information and when that shows up, choose USB. See if it's listed there. If it is but neither the drive nor the disk you inserted appears on the Desktop, the side bar of the Finder window, or Disk Utility, return it for a refund (if it's within 14 days of purchase) or a replacement. That's what I had to do a few hours ago and the replacement works as it should.
BTW, if you want the disk you inserted back, and pressing the trackpad as you reboot doesn't eject the disk, as a last resort run Terminal and enter (copy and paste the following)
/usr/bin/drutil eject
to try to force the disk to eject. It probably won't work (it didn't for me) but if it does, at least you get that disk back.

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    Anniefb1 wrote:
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