Mal macrumors Jan 6, 6, 17 Orlando. Open Disk Utility and see if it appears in the list on the left it will probably be greyed out if it does. If it shows there, click on it and click the "Repair Disk" button. If that doesn't work, post back and tell us what happened and any errors that you get.
Mac Or MacBook Doesn’t Recognize External Drives, Troubleshooting Tips
Retrofire macrumors Mar 2, 5, www. The enclosure may be bad then, or there may have been something that didn't go together just right.
I'd see about getting the enclosure replaced if possible. Mar 3, 3, 73 Detroit. ZipZap macrumors Dec 14, 5, I have a similar issue. The drive works fine. I can eject or format it. Instead, I put it back into the original enclosure and it works fine on the Mac. I suspect that Mac OS stores some informaton about the interface as I can think of no other explanation.
I also had this happen move between two USB 2. I would like to formatting this now. Any thoughts? Mar 1, 0 Oslo, Norway. Hi, Did you find a solution to this? I'm experiencing the same problem after a force eject.
Why an external hard drive won't show up in Disk Utility?
Let me know if that works out so I can accept it as the solution. Just a word of caution - this solution involves erasing the drive, so please read the entire article before you take any action with your hard drive! Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count.
Would you like to answer one of these unanswered questions instead?
10 Cases: External Hard Drive Not Showing up & Best Fixes
Home Questions Tags Users Unanswered. Asked 2 years, 9 months ago. Active 10 months ago. Viewed k times. I've searched and tried a lot of stuff but still can't get it to work. A couple of other things. Does it mount in a different computer? Did you try the "readOnly" option in mount? Running ps aux grep fsck revealed: root 7. Oh the irony of fsck being the problem Ariel Allon Ariel Allon 7 7 silver badges 7 7 bronze badges. Very ironic As an extra note, you need to kill fsck each time you want to mount the disk.
JaseWhatson yep. I was wondering about this, because once you kill fsck it only mounts in read only. Best thing to do is just to wait until fsck is finished. I think macOS could be more transparent though, about fsck needing to finish before your disk will be mounted and ready to use. Nimesh Neema MacMax MacMax 21 1 1 bronze badge.
First Things First
I was not able to kill the fsck process either, it just kept going. After mounting, I was able to format the drive successfully. Manuel Perez Manuel Perez 11 1 1 bronze badge. Allan Beer Beer 5 5 silver badges 3 3 bronze badges. Allan Allan LexS LexS 1, 6 6 silver badges 6 6 bronze badges.
Hope it helps! Elle Elle 1. Welcome to Ask Different and thank you for your answer. And, just providing a link isn't very helpful as it may no longer work in future. Instead, could you please edit your answer there's an edit link below it to include a summary of the content you're linking to?
This will help preserve your answer for other users who may benefit in future. How does the information on the linked page differ from answers already given reformat the drive? Featured on Meta. Feedback post: Moderator review and reinstatement processes. Post for clarifications on the updated pronouns FAQ. Separate Linux tag from Unix. Linked Related 2. Hot Network Questions.