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Apple Computing Products:
macOS - Notebook Hardware
Formatting WD external hard drive issues
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<blockquote data-quote="Vegas5678" data-source="post: 1427700" data-attributes="member: 263426"><p>Thank you for responding!</p><p></p><p></p><p>I have followed directions found online to a T. Every time I go to "erase" and reformat, it deletes any volumes there, to which I think, ok I'll make a new partition (like suggested) and then try the whole process again. The partition won't even create.</p><p></p><p>When I go to erase the drive and reformat to mac os extended journaled, I get:</p><p></p><p>Disk Erase failed with the error:</p><p></p><p>POSIX reports: The operation couldn’t be completed. Input/output error</p><p></p><p>When trying to partition, I get the following message:</p><p></p><p>Partition failed with the error:</p><p></p><p>Wiping volume data to prevent future accidental probing failed.</p><p></p><p></p><p>And... once doing all of these steps, then when I go to plug in the drive again, it no longer recognizes it and says:</p><p>"The disk you inserted was not readable by this computer."</p></blockquote><p></p>
[QUOTE="Vegas5678, post: 1427700, member: 263426"] Thank you for responding! I have followed directions found online to a T. Every time I go to "erase" and reformat, it deletes any volumes there, to which I think, ok I'll make a new partition (like suggested) and then try the whole process again. The partition won't even create. When I go to erase the drive and reformat to mac os extended journaled, I get: Disk Erase failed with the error: POSIX reports: The operation couldn’t be completed. Input/output error When trying to partition, I get the following message: Partition failed with the error: Wiping volume data to prevent future accidental probing failed. And... once doing all of these steps, then when I go to plug in the drive again, it no longer recognizes it and says: "The disk you inserted was not readable by this computer." [/QUOTE]
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Apple Computing Products:
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Formatting WD external hard drive issues
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