External hard drive not recognized mac anymore
Helpful answers
Corrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too. Why an external disk drive is not showing up? Try connecting the same device with a different cable. It could be a hardware issue with the Mac. Sometimes, if a disk won't boot, the cause is macOS issue. Hopefully, some data damage that can be fixed by restarting. Or press and hold the power button and, when a dialog box appears, click the Restart or press R. Not every drive is optimized for Macs.
It could be that you are trying to connect something only fit to interact with Windows devices. See if the external drive shows up here. For more information, go to the same menu option, then select System Report.
external hard-drive not recognised anymore - Apple Community
Even if that is the case, the drive will still appear in the left-hand column of the Finder menu under Devices. To do this, shut down or restart your Mac, switch it back on and immediately press these four keys together for at least 20 seconds: Option, Command, P, and R. It should look as though your Mac has started again; if it has, release the keys when you hear the second startup chime. Hopefully, the hard drive has shown up now. Disk Utility is within System Preferences, or you can find it using Spotlight. If it is visible, then click the option to Mount, which should make it visible on the desktop and in the External Drives option in the Finder menu.
But there might still be a way you can recover the data on the external drive.
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In the Sidebar tab you can choose which folders and devices will be shown in the left-hand column of the Finder window. If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. First Aid tool will check the disk for errors and then attempt a repair as needed. When the external hard drive is unable to be found in Disk Utility, the external hard drive may have some hardware problems.
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Although your Mac doesn't recognize external hard drive, it is possible that iBoysoft Mac Data Recovery can still detect the drive. Just have a try! If unfortunately you can't see the external hard drive in drive list when using iBoysoft Mac Data Recovery, the drive might have serious hardware problems which can't be fixed by software.
Under that condition, please seek help from a local data recovery company as soon as possible. Store current Mac Data Recovery. Windows Data Recovery. NTFS for Mac. Mac doesn't recognize external hard drive, how to fix? Free Download.
Still have questions? Contact us. Mac Data Recovery Tips Mac doesn't recognize internal hard drive, how to fix?
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