Sep 27, 2019 Lot of Mac OS X users reported this issue in Apple support communities. External hard drive showing up in Disk utility not in Devices. This problem also happened after OS X Yosemite update.
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- Nov 20, 2017 A Step-by-Step Guide to Backing up Mac to an External Hard Drive. Note: the screenshots below are taken based on macOS 10.12.5 Sierra. If your Mac has High Sierra or an older version, differences may exist, but the process should look similar to what’s displayed below. Step 1: Connect your external hard drive.
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- In this case, you can mount external hard drive with the help of free NTFS driver for macOS. Still unable to mount the external hard drive on Mac? There might be problems with the drive itself, but you still have ways to resolve it. Back up at first. Since you can't access the.
You may wish to use an external FireWire or USB hard drive to store your Aperture Library, referenced images, or Vaults. Here are some suggestions on preparing the external hard drive for best performance with Aperture. Many external hard drives come pre-formatted as FAT 32. This is a native Windows file format that can be read by Mac OS X, but is not ideal for use with Aperture.
Before you begin to use your new external hard drive with Aperture, reformat it to the Mac OS Extended file system:
- Be sure your drive is attached and mounted.
- If you have already written any data to the drive, back it up before proceeding to the next step.
- In the Finder, choose Go > Utilities. The /Applications/Utilities folder will open.
- Launch Disk Utility.
- Click the icon for your external hard drive in the sidebar on the left.
- Click the Erase tab along the top of the window.
- From the Volume Format menu, choose Mac OS Extended (Journaled).
- Enter a name for the external hard drive in the Name field.
- Click the Erase button.
Lot of Mac OS X users reported this issue in Apple support communities. External hard drive showing up in Disk utility not in Devices. This problem also happened after OS X Yosemite update.
Solution 1:-
Go to Settings -> Finder Preferences . Under the General tab, select External drive in “Show these items on the desktop”.
Solution 2 :-
Go to Disk utility and select the external drive from the left sidebar. Choose verify dis
c. It will find and correct minor errors.Solution 3:-
If you are connecting your external hard drive with Mac using USB Hub, check the USB hub first.
Solution 4:-
- Open Disk Utility. If your external USB drive drive faded/greyed out and unmountable?
- Connect another external drive or Pen drive to computer. This drive also not recognized drive?
- Do the proper eject from the Finder window list.
- Restart your computer and connect the external drive.
Solution 5:-
- From the Finder menu, select “Go to Finder”.
- Type the external drive path what appears under Disk Utility. Ex: /Volumes/sleekdisk
Solution 6:-
Drive not showing up in Finder but visible in Disk Utility?
Go to Finder window and view below the favourite list. If the drive greyed Out? Select the drive. It might visible.
Solution 7 :-
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- Shut down your Mac computer .
- Unplug the power cord.
- Unplug all USB connections.
- Wait 30 seconds or 5 minutes then plug it back in.
- Then turn on your MacBook Pro or iMac.
- Plug the external drive only to the USB port. Open Finder and check your drive.
Solution 8:-
Install and run run Onyx (maintenance freeware) or
run Kext_Utility.app.v2.6.1 and restart your Mac machine.
Solution 9:-
Some times this issue might happened because of the unsupported drive format.
Install Fuse for OS X, NTFS-3G for Mac OS X and Fuse wait.
Restart your computer and check the issue.
If the above methods not working?
- Install fresh OSX Yosemite.
- Connect your segate external drive or WD passport to Windows computer. Delete the partition and connect back to MacBook Pro.
External Hard Drive For Mac
If you knew any other solutions, inform us via comment.