Cannot partition my mac hard drive

Data Recovery for Virtual Machine Recover documents, multimedia files, and database files from any virtual machine. BitRaser for File Permanently wipe files and folders, and erase traces of apps and Internet activity. View All Products. This blog summarizes the 10 worst Mac hard drive and SSD data loss problems with recovery solutions. The mentioned storage drive cases in this blog address to USB, Flash storage drive, external hard drive as well. Keep these handy in situations of crisis.

Problem : When you connect an external hard drive to Mac, it mounts and shows on the desktop. It also appears in Finder. However, sometimes, the disk can fail to mount when you connect it.

Partitioning a Mac

If none of these work, there might be something wrong with your hard drive. Try to backup your hard drive in question via Disk Utility or a third-party cloning utility so that later, you can erase and reformat the drive with a new file system. Problem : Age and continuous usage can slow a Mac down. Additionally, a lot of other factors can contribute to degrading Mac performance like hard drive becoming too full, macOS being outdated, crowded startup, too many apps running in the background, hardware issues, etc. Taking out the time and patience to manually clean up Mac hard drive and perform other tune-up tasks can easily get frustrating.

Thus, avoid all hassle and try Stellar SpeedUp Mac. This product automatically removes system junks, large unused files, duplicates, old apps, and unused login items from Mac hard drive with the click of a button. Problem : Mac hard drive S.

15 Worst Mac Hard Disk Drive Problem with Solutions

Solution : There still might be hope for your hard drive. In order to cover all recovery chances from your end, follow these steps:. If none of these steps works, you may need to repair or replace your hard drive with a new one. Problem : While trying to perform partition resizing or reformatting operations, many users report accidentally deleting their partitions having important data.

Also, due to issues such as partition table damage, technical issues with the drive, bad sectors, or virus attack, one or more hard drive partitions can get accidentally deleted. Moreover, if volume s on your Mac fails to mount, then this software will help recover the volume data smoothly. The platters are quite delicate and are easily damaged by the slightest jerk or drop. If you hear clicking noise emanating from your Mac hard drive when you try to boot up your Mac, that could mean your hard drive has suffered physical damage.

DO NOT attempt to open it up and mess around since that could further the damage and lead to permanent loss of the data contained in it. When this happens, you may also be unable to erase or partition the drive.


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This mainly happens because the boot drive has been modified somehow or it is being used by some other process or application. This can be done in one of the following ways:. Doing so will recreate new HFS file structure on the hard drive, which will be free from cryptic errors.

Fixing “Partition Failed” Errors in Mac OS X

However, every encryption works in conjunction with a decryption key which is used to decrypt or unlock the data before it can be accessed. Mostly, this decryption key is a password chosen by you. In the event that you lose or forget your encryption password, you might lose access to your data permanently. Solution : First make really sure you are typing in the password correctly. Turn off the Caps Lock and choose the Show Password option just to be double sure. Problem : Data loss from any hard drive is inevitable. With powerful algorithms allowing the software to scan for recoverable data on your Mac hard drive, this software to recover deleted files from Mac is the best bet you have to recoup all your missing data.

You might suspect that your Mac hard drive has started developing bad sectors if it throws any nasty errors saying so or if some information suddenly starts to go missing.


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  5. Problem : Performing hard drive partitioning operations is fairly simple using Disk Utility. But in some cases, Disk Utility fails to create partitions on Mac hard drive or perform other related partitioning operations. There you go! But if you have the help of trustworthy applications from Stellar Data Recovery, you can easily overcome the issues of Mac hard drive not mounting, SSD not recognized on Mac, data recovery for Mac including the best Mac data recovery tool.

    Vishal is a data recovery expert Stellar addressing several data loss scenarios on a macOS system. He loves to read autobiographies and his personal favourite is of Steve Jobs. View More. Being a reputed Video photographer in my city. My MacBook is always filled with lots of stuff.

    El Capitan Disk Utility - Partition option greyed out

    Log in Register. Search Everywhere Threads This forum This thread. Search titles only. Search Advanced search…. Everywhere Threads This forum This thread. Search Advanced…. El Capitan Disk Utility - Partition option greyed out. Thread starter lexya Start date Oct 25, Sort Posts by Likes. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Oct 25, 2 0. Hi guys, I updated to El Capitan and I wanted to partition my external hard drive, which I have completely emptied and erased and formatted to the non-encrypted OS X Extended Journaled.

    Unfortunately the option to partition on the top is greyed out. I have rebooted my computer, but still nothing yet. Does anybody have an idea why I can't partition and what I could do to fix it? Thank you so much!

    DeltaMac macrumors G3. Jul 30, 9, 2, Delaware. You have to select the hard drive the line with the model number, not the line with the name that you gave the partition. Then, the partition option will be active. Reactions: sarahd and GeoFan I can't believe I missed that. Have a great Sunday. Oct 15, 48 0.

    I am having issues as well. I have an external HD that I was using to back up to two computers. I had it partitioned to do this. I no longer wish to have the second partition but when I click the line with the HD name, the partition button is still greyed out?

    Disk Could Not Be Partitioned Boot Camp Assistant Error Fix on macOS

    How do re-partition it. Reactions: Stu and sirius Nov 18, 1 7. Last edited: Nov 18, Reactions: kurbads , freeman , oneavinashkumar and 4 others. Dec 22, 1 3. Disk Utility then prompted for journaling to be enabled on the new partition before additional partitions could be created. After activated the new partition press File then Enable Journaling. After these steps I was able to add or modify partitions on the USB drive.

    Hope it helps. Reactions: oneavinashkumar , rhunley and jamesacampbell. Mar 18, 1 0. Oct 17, 2 1. Reactions: lisahinson. Lukinson macrumors newbie. Apr 29, 1 0.

    DeltaMac said:. Oct 12, south. Lukinson said:. Last edited: Apr 29, Jul 20, 1 0. Is your external hard drive formatted NTFS? If it is a more normal Mac format MacOS Extended, etc , then you should be able to select the Partition tab, and remove the partition.