iMac external drive does not

Two days ago, my iMac 2013 end ceased to recognize the external CD/DVD drive I have been connected to it for more than 12 months. Put just the blank disc in the drive resulted in a lot of rumbling and resonate but nothing appear on the screen. Tried a CD and DVD and there nothing either. Did a hard reset and it stopped recognizing the drive at all, so I assumed that the drive was defective.

Bought a new drive, connected to one of the USB ports and nothing; won't even turn on. Tried different ports and still nothing. Just to be on the safe side, tried other devices on ports and they are beautiful, it seems that the readers of CD/DVD is having a problem with.

I reset again, turned off and unplugged the power, and it made no difference.

Someone at - it help him?

Try to make as an SMC STROLLER and resets. I suggest you reset SMC 2 or 3 times. For reset instructions can be found in the iMac SMC and the PRAM reset

Tags: Mac

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