Recovering Data Since 1993

How to Verify & Repair OS X Yosemite Drive

If your Mac feels too tired to give the performance you’re expecting it to and you’ve tried everything you could think of to pull it up, drive verify and repair could be the solution for you. However, don’t go rushing to this solution every time you’re too lazy to find out the actual cause of the problem.

You should think of verifying and repairing Yosemite drive under the following circumstances:

  • Some data on your Mac has mysteriously gone missing
  • You’ve noticed a drastic downfall in Mac’s performance post a power cut
  • General Mac maintenance

One of the main reasons behind an unexpected performance degrade of your Mac could be its inability to locate the data on the drive. All your Mac data is stored in a directory on the drive and the OS, when required, refers this drive. If the data or the locating mechanism or something else goes wrong here, your Mac may have a tough time finding what you’re looking for. This causes the delay in operation and sluggish behavior.

Repairing Yosemite Drive using Mac utilities

Apple is known for being intuitive. They know their users could face such problems and hence they’ve made provisions beforehand to tackle such issues. Two brilliant inbuilt utilities, which you could use, are Repair Disk Permissions and Repair Disk. These are part of the Disk Utility provided within Mac.

But before you try any of these alternatives, make sure you backup your important data. Disk Repair could mean rewinding your Mac to an earlier date or could have any other side effect and you wouldn’t want to face data loss at the end. Now that we’ve got that out of the way, let’s go over these utilities one by one.

Repair Disk Permissions

It’s ironical that something, which is designed to avoid letting your Mac run into problems, could itself be the source of its problem. But it’s true! Believe it or not, disk permissions could sometimes be the reason behind your Mac’s troubles. Repair Disk Permissions verifies and repairs permissions related to various Apple apps and other programs on your Mac. It makes sure all permissions are the way they should be. Now you would think, why would the permissions be different from what they should be?

Many third-party apps or software make temporary changes to System permissions while being installed. But when they try to revert them to their original form after the installation, sometimes they fail. This causes a permanent change in the permissions, which could interfere with the normal working of your Mac, which in turn could affect performance. So the first thing to try out in case of a problem is to repair disk permissions. Here are the steps to do so:

  1. Restart your Mac and hold down Command + R keys to launch the inbuilt Disk Utility.
  2. You will see a list at the left of the utility window that opens. Select your Mac in it.
  3. At the bottom left of the window, you will see a First Aid pane. In this pane there’ll be 2 commands – ‘Verify Disk Permissions‘ and ‘Repair Disk Permissions‘.
  4. Select ‘Repair Disk Permissions’. (It is recommended not to select both options since the Repair Disk Permissions command runs Verify Disk automatically, so selecting both will mean repetitive operation)

Repair Disk

To Repair Disk, here are the steps:

  1. Restart your Mac and hold down Command + R keys to launch the inbuilt Disk Utility.
  2. You will see a list at the left of the utility window that opens. Select your Mac in it.
  3. Select ‘Repair Disk’ located to the right of ‘Repair Disk Permissions’.

Both the above options make the Disk Utility application try to attempt to identify problems with your Mac and repair them. Restart your Mac after running these options to check for improvements. If there are no major ones, you could even try restarting your Mac in safe mode. If disk utility can’t repair this disk, then free download Stellar Volume Repair on your Yosemite. This software scans your startup disk to verify & repair severely damaged disk permissions. You can also repair your corrupt directory structure with the help of the registered version of Stellar Volume Repair. Guess What, this software is available at half the price of others.

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