Repair a storage device in Disk Utility on Mac. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Disk Utility can’t detect or repair all problems that a disk may have. These instructions are not meant for novice Mac users. If you aren't at least a bit comfortable in Terminal, you may want to stick to the graphical user interface applications like Disk Utility. Locating the Disk. All of the disks that are attached to the Mac are located within the Volumes directory in. Step 4: Type in chkdsk /X /f sd card letter: or chkdsk sd card letter: /f. For example, chkdsk /X /f h: or chkdsk h: /f, if your card is in drive letter H. After finishing all these steps, Windows will begin to check and fix the file system of the SD card. It usually takes several minutes. Apple Product Documentation. Let macOS manage space between multiple volumes. With Apple File System (APFS), the file system introduced in macOS 10.13, you can easily add and delete volumes on your storage devices.
Let macOS manage space between multiple volumes
With Apple File System (APFS), the file system introduced in macOS 10.13, you can easily add and delete volumes on your storage devices. APFS-formatted volumes automatically grow and shrink—you never have to repartition a storage device again.
Keep your external storage devices secure
When you get a new flash drive or other storage device, format it as APFS and encrypt it with a password to protect its contents.
Give your disk a checkup
If you’re having problems with a disk, Disk Utility can check the disk and repair problems it detects.
To browse the Disk Utility User Guide, click Table of Contents at the top of the page.
If 'The volume you have selected to shrink may be corrupted. Use Chkdsk to fix the corruption problem...' pops up when you try to shrink a partition, don't worry. Follow this tutorial, you will fix this issue in two parts: [1]. Use CHDKSK or its alternative to fix the corruption problem in Windows 10/8/7; [2]. Recover lost data with EaseUS data recovery software.
PAGE CONTENT:
- Method 1. Use Chkdsk to Fix the Corruption Problem
- Method 2. Shrink Partition Using Alternative Way
- Recover Partition Data Deleted by Chkdsk
Error: The Volume You Have Selected to Shrink May Be Corrupted
When you try to shrink a partition in Disk Management in Window 10/8/7, one of the errors you may encounter is 'The volume you have selected to shrink may be corrupted. Use Chkdsk to fix the corruption problem, and then try to shrink the volume again.' When such an error occurs, you are unable to shrink your partition unless you use Chkdsk to fix the corruption problem.
Why does this issue occur?
Actually, when Windows reports the partition you selected may be corrupted, it indicates that there are file system errors on the selected partition, be it DBR (DOS Boot Record) corruption, $MFT (Master File Table) corruption, or FAT (File Allocation Table) corruption.
How to solve the problem?
When you are faced with the issue, you have two solutions for you. One of them will certainly help you shrink a partition in Windows successfully.
2 Solutions to the Volume You Have Selected to Shrink May Be Corrupted in Windows 10/8/7
The file system errors mentioned above can be easily fixed using Chkdsk. Chkdsk, also chkdsk.exe, is a Windows utility that can be used to check and repair disk errors like file system errors and logical bad sectors. Thus, your primary choice is to run Chkdsk on the partition you want to shrink. If that fails to work, you can try an alternative way to shrink a partition in Windows 10/8/7, which skips the problem but helps to achieve your goal of resizing your partition.
Method 1. Use Chkdsk to Fix the Corruption Problem
You have multiple choices to run CHKDSK in Windows 10, including from Command Prompt, This PC, and installation disc. But it's unnecessary to use the installation disk since it's much more complicated than the other two ways. Here we will show you how to run Chkdsk in Command Prompt. (Chkdsk is commonly used to fix a corrupted micro SD card, USB flash drive, )
Fsck For Mac
Step 1. Press the 'Windows' key and type cmd.
Step 2. Right-click 'Command Prompt' and choose 'Run as administrator'.
Step 3. Enter the following command:
- 'e' means the drive letter of the partition you want to repair;
- chkdsk /f is running to fix any found errors;
- chkdsk /r is running to locate for bad sectors and recover any readable information;
- chkdsk /x is running to force the volume you're about to check to be dismounted before the utility begins a scan.
Step 4. In case of possible system file corruption, you are recommended to run the System File Checker tool to repair missing or corrupted system files after running Chdksk.
After fixing the corruption problem, you can now retry to shrink the partition in Disk Management.
If you don't have any technical know-how and want to minimize data risks, using third-party software could be a better choice. The Command line is suitable for computer professionals since wrong commands can cause severe problems. Therefore, we strongly recommend you try an automatic command line alternative.
Chkdsk Machine Virtuelle
EaseUS Tools M is a practical computer fixing tool that is safe and light-weighted. It's a perfect alternative to CHKDSK command. Use this one-click tool to solve your computer issues.
To fix file system error or disk error:
Step 1: DOWNLOAD EaseUS Tools M for Free and install it.
Step 2: Open the software and select the 'File showing' option.
Step 3: Choose the drive and wait for repairing. After the operation completes, click the 'View' button to check the drive.
Method 2. Shrink Partition in Windows 10/8/7 Using Alternative Way
In most cases, Chkdsk and System File Checker will help you fix 'The volume you have selected may be corrupted. Use Chkdsk to fix the corruption problem, and then shrink the volume again.' However, there are situations in which Chkdsk shows no violations. That's when you can use Disk Management alternatives to help you shrink a partition.
The reliable partition tool - EaseUS Partition Master does more than Disk Management can do. With it, you can not only use Chkdsk to fix the corruption problem without using Command Prompt but also resize your partition by extending or shrinking without receiving the error message saying 'the volume you have selected may be corrupted'. For the detailed guide, refer to the article about how to shrink Windows 10 partition.
How to Recover Data Deleted by Chkdsk
Chkdsk Mac Sd Card
Generally, using Chkdsk to fix the corruption problem won't cause data loss on your partition. If Chkdsk removed important data on the drive during the fix, you can recover the lost data using the hard drive recovery software - EaseUS Data Recovery Wizard.
Step 1. Select a location and start scanning.
Launch EaseUS Data Recovery Wizard, hover on the partition, external hard drive, USB, or memory card where you want to perform erased data recovery, and then click 'Scan'.
Step 2. Select the files you want to recover.
When the scanning has finished, select the deleted files you want to recover. Double-click the file to preview its content if you need to.
Step 3. Recover lost data.
After choosing the data, click 'Recover' and choose a location on another drive to save the deleted data.
The Bottom Line
How To Run Chkdsk For Mac
Don't be threatened by the error message saying the volume you have selected to shrink may be corrupted. Using Chkdsk can fix the corruption problem easily. Even if Chkdsk doesn't work, you still have an alternative choice to shrink your partition successfully.