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External disk drive not recognised

I have Mac OS High Sierra 10.13.6. I have bought a new 'Apple' external disk drive. It works on my husband's Mac (same operating system etc) however, it does not show up on my Mac. I have tried Disk utility, it is not there even in shaded lettering. I have made sure it is flat, followed copious advice from the internet and I still cannot get it to work. My computer happily accepts my time machine external drive and iPad, iPhone etc. Help please. Very frustrated that I cannot chat to anyone as I don't know what category the drive fits into and cannot read the serial number on the drive so cannot get any further with Apple help/contact.

iMac, iOS 10.3.3, iOS 10.13.6 actually not in list

Posted on Oct 15, 2018 6:35 AM

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Question marked as Best answer

Sorry not to have got back to you before. Thank you so much for all your trying to solve this. It is quite bizarre, as I said I had googled the question and got loads of info much of which you have reiterated, I tried your last suggestion and it does not work sadly. I will try to get hold of Apple and ask them. Many thanks once again your efforts have been much appreciated.

Posted on Oct 16, 2018 7:31 AM

12 replies

Oct 15, 2018 10:58 AM in response to dialabrain

Hi


I have plugged it in directly to the computer with its own lead. Also the disk will not go in while it is attached to my computer, but it works perfectly with my husband's computer which is a slightly newer version of mine. The disk goes into the SuperDrive and plays for him. It is very frustrating. I think I have a problem somewhere on my computer. I have restarted the computer with the drive in etc etc - I did everything advised on the internet to help.

Question marked as Best answer

Oct 16, 2018 7:31 AM in response to dialabrain

Sorry not to have got back to you before. Thank you so much for all your trying to solve this. It is quite bizarre, as I said I had googled the question and got loads of info much of which you have reiterated, I tried your last suggestion and it does not work sadly. I will try to get hold of Apple and ask them. Many thanks once again your efforts have been much appreciated.

External disk drive not recognised

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