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Apple Computing Products:
macOS - Operating System
OS X Lion will not read external hard drives and USB flash drives
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<blockquote data-quote="waxwing1" data-source="post: 1286804" data-attributes="member: 212611"><p><strong>Happening to all Removable Drives</strong></p><p></p><p>Not a solution but a possible stop gap. Open Disk Utility and see if you can manually mount the discs. I have the same problem but can do that.</p><p></p><p>I called Apple tech support, created a new user account, the disks mounted, went back to original account and they were still mounting automatically. A few days later my machine rebooted due to a power surge and now they don't mount automatically.</p><p></p><p>Happens to any "removable" disk including CD/DVD SuperDrive, all USB thumb and external drives, my NewTech Voyager hard disk toaster plugged into an eSata port.</p></blockquote><p></p>
[QUOTE="waxwing1, post: 1286804, member: 212611"] [b]Happening to all Removable Drives[/b] Not a solution but a possible stop gap. Open Disk Utility and see if you can manually mount the discs. I have the same problem but can do that. I called Apple tech support, created a new user account, the disks mounted, went back to original account and they were still mounting automatically. A few days later my machine rebooted due to a power surge and now they don't mount automatically. Happens to any "removable" disk including CD/DVD SuperDrive, all USB thumb and external drives, my NewTech Voyager hard disk toaster plugged into an eSata port. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
OS X Lion will not read external hard drives and USB flash drives
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