How to Repair Disk and File System Problems on Your Mac – Mac Data Recovery Blogs

Latest versions of Mac OS X no longer need you to repair disk permission. But this is not the only problems that can arise with a disk or file system. There is several numbers of tools available in Mac OS X for the following tasks such as Repairing disk, Partition and File system errors.

These option works like chkdsk on Windows because they are equal in many ways. Mac users can perform a check within the Mac OS X, but sometimes they need to take another severe step in order to fix the issues in the Mac. These steps may include following:

• Using the recovery mode.
• Run fsck commands manually.

Well, in this informational blog we will learn about “How to repair disk and file system problems on your Mac?” below follow the methods and steps:

Method 1: Use “First Aid” in the Disk Utility

The Mac OS X comes with inbuilt Disk Utility application that permits users to check the health of the disk. Apple has updated this utility interface on latest versions of Mac such as on Mac OS X 10.11 El Capitan. And therefore you may see different screenshot displayed below, if you are still using the old version of Mac OS X.

To open Disk Utility, press Command+Space. It will open the Spotlight Search.  Now type in “Disk Utility” in the Spotlight Search and then hit enter to search it. Another way to find it, you can navigate to Applications folder> Utilities (double click it)>Disk Utility shortcut (double click it).

Once the Disk Utility gets opened, select the disk partition you want to check. By default the system partition is named as “Macintosh HD”. Search for the button “First Aid” and then click on it.

There are two First Aid function available.

• First Aid function on an entire disk on your Mac.
• First Aid function in a discrete partition available on the disk.

You can run any of the both functions, it depends which function you want to select. Once you select any of the function click “Run” and then your Mac will check the disk you have selected for errors. If it finds any error then it will automatically try to fix the errors.

You can also check the detailed information of the errors by simply clicking on “Show Details”.  Well, now you have successfully repaired disk and file system error on your Mac.

Also check out: How to wipe your Mac and Restore to Default

Method 2: Boot into Safe Mode

The second method to repair such errors is through booting your Mac into Safe Mode. By starting your Mac in Safe Mode will automatic startup check and repair the errors of such issues.

In order to start your Mac in Safe Mode. Restart your Mac and while its booting press & hold shift key. Now sign in with your password on Mac, the device will automatically check the disk.

Once disk check is done, you reboot your Mac device and you are done. This is one of the simple and easy ways to repair disk and file system errors on Mac.

Also read: How to Create Recovery Partition in OS X

Method 3: Run First Aid in Recovery Mode

The third method for fixing disk and file system error on your Mac can be done by running First Aid function in Recovery Mode. Below find out the steps:

Step 1: Restart your Mac device. While your Mac is booting press & hold ‘Command+R’ key.

Step 2: As and when you see a progress bar on the screen, release the “Command+R” key.

Step 3: After this, your Mac will load directly into Recovery Mode (if not then restart your Mac again and try pressing the keys again).

Step 4: You will see the Mac OS X Recovery, click on the ‘Disk Utility’ shortcut to open it in recovery mode.

Step 5: Once the Disk utility opens, you can now select the disk or partition that you want to check and click on ‘First Aid’ function button.

Step 6: After you click on it, you will get a notification saying “First Aid will check the disk for errors. It will repair the disk if necessary.” Click on “Run” here. It will repair the disk errors.

 Method 4: Use fsck in Single-User Mode

If above three methods fails to repair disk and file system problem then you may need to follow this method. You have to boot your Mac into single-user mode and run the fsck command just in the old way. Below follow the steps:

Step 1: Restart your Mac and press & hold Command+S keys while your device boots.

Step 2: Once you enter into single-user mode, it will display you with a text mode terminal. In the terminal, type the following command and hit ENTER key to begin the file system check:

/sbin/fsck -fy

The above command will go through several processes of checks. When it’s complete, it will display the message saying “** The volume [name] appears to be OK”, only if everything is fine.

But if it found any problems then it will display “***** FILE SYSTEM WAS MODIFIED *****”. It means that the fsck command has found the error and fixed them. It is recommended that you must repeat the fsck command until and unless you see the notification message saying “** The volume [name] appears to be OK”.

Step 3: Once the fscl command says your disk is OK, then type the following command and hit ENTER:

reboot

After this your Mac will reboot and you will see the usual login screen.

Bottom Line

You may encounter data loss while performing above methods to repair disk and file system errors on your Mac. In this case you may get frustrated as you may lose your important files, photos, documents and many more. In this event, you can use Mac Data Recovery Tool to recover your lost/deleted data on Mac.

About the Mac Recovery Tool

Mac data recovery tool is one of the best ways to get back all the inaccessible Mac data, this application is programmed to deal with any type of data crisis. With the help of this app you can deal with Repair Disk and File System Problems on Your Mac. You don’t need any professional skill or contact any support executive to operate this tool, it contains very simple user interface so that one can easily operate this and get back their data. Most important thing, it doesn’t need any backup file to restore your data, YES you don’t need to provide any previously created backup file to restore your inaccessible data. It allows users to recover documents, photos, music or videos lost due to deletion from any HFS, HFS+, FAT, ExFAT and NTFS format based file system. You can recover data from iMac, MacBook Pro, Air, Mac Mini, Mac Pro. Restore data from encrypted file systems and other deleted files with their original file names. It support RAW recovery on lost volumes and also recover Time Machine Backup drive. This Mac file recovery tool is compatible with the latest El Capitan 10.11

It is packed with lots of features that make you able to deal with any types of data lose crises some of key features are: Raw Recovery, Recovery of Deleted Volumes, Mac Photo Recovery, System Startup Disc, recover Data from NTFS Partitions on Mac, Create Image, Encrypted Disk Recovery, Sophisticated Scanning Modes (advance scan, quick scan) and more. So you should try this recovery if you want complete recovery of lost data on Mac without need of any professional knowledge and backup file.

Also Read: Recover Data after Apple Partition Map Corruption: Restore Corrupted Deleted Mac Data

Features of Mac Data Recovery Software

• Recover Mac Deleted Files: Because of its powerful algorithm one can recover permanently deleted files as well. You can also restore data from emptied Mac’s trash or after performing the ‘Command+Shift+Option+Delete’ operation.
• Recovery of Deleted Volumes: This recovery tool also allows you to locate and reconstruct damaged volumes or volumes deleted from any HFS, HFS+, FAT, NTFS or ExFAT formatted drive predictably in order to restore precious data back.
• Raw Recovery: 
• It also allows user to restore raw data, it exactly identify more than 122 dissimilar kinds of files by matching signatures. Its recovery features is very handy if your drive’s volumes have been damaged. In case Deleted Recovery and the Data Recovery options get unable to give the results then you use Raw Recovery feature.
• Create Image: This tool is packed with ‘Create Image’ feature that is similar to a System Restore point. Through this feature you can create an exact image of the Mac hard drive and use it in future.
• Mac Photo Recovery:  This recovery tool is able of restoring or recovering lost, formatted or deleted photos of any file format such as jpeg, gif, png, etc from internal as well as external Mac hard drive. It means you can restore deleted photos from digital camera, USB drive, SD card, memory card, flash card, etc.
• More features: Other attractive features of this recovery tool are System Startup Disc, Recover Data from NTFS Partitions on Mac, Create Image, Encrypted Disk Recovery, Resume Recovery, CD/DVD Recovery, Sophisticated Scanning Modes, Recover any external Mac hard drive, Time Machine Recovery and more.

Conclusion

The above three methods is enough for repairing and fixing Disk and File system errors on your Mac, the 4th method is only needed if above three methods does not work for you. And in case if you lost any data then you can use Mac Data Recovery software.