Scan My Mac For Errors


Mac OS X Snow Leopard offers a First Aid pane. This feature of Disk Utility lets you check almost any disk for errors, as well as repair any errors that it finds. Here are the two exceptions when the buttons are disabled: The start-up disk: Disk Utility canโ€™t repair the start-up disk, which makes sense. If your Mac is from 2013 or later, use Apple Diagnostics, which is built into your Mac. If your Mac is from 2012 or earlier and has OS X 10.8.4 or later, use Apple Hardware Test, which is built into your Mac. If your Mac is from 2012 or earlier and has OS X 10.8.3 or earlier, use the system software disc or USB flash drive that came with your Mac.

Check Disk Windows 10 [5 Solutions]:

Among the five, EaseUS Partition Master Free is the third-party disk error checking tool that requires you to download and install it on your Windows 10 PC or laptop.

Your Windows 10 computer's primary hard drive, SSD or external hard drive sometimes reports errors. By regularly checking hard drives or partitions for errors can help determine what exactly the errors are, so you can then fix them alright without any hassle. Since the causes of disk errors vary from bad sectors, improper shutdowns, malware, corruption, physical damage, etc., the ways to check disk in Windows 10 are from being easy to powerful.

Altogether, we find five effective disk error checking methods for different demands. Choose any one of the five to scan the hard drive for errors and fix Windows 10 primary computer's hard drive performance issues, or external hard drive, HDD, SSD, or SD card not working normally on Windows 10 computer.

Note that you must be signed in as an administrator to be able to run a scan to check a drive for errors, as some of the following methods may require to do so.

#1. How to Check Disk Errors in Windows Security and Maintenance

Step 1. Open Control Panel -> click on the Security and Maintenance icon -> expand the Maintenance -> look under Drive status.

Step 2. As the following screenshot shows, all drives are working properly. If any issues were found, the information would be changed with an option asking you to scan the drive.

#2. How to Scan Drive for Errors in Windows Properties

Step 1. Open This PC in File Explorer -> right-click the HDD/SSD you want to scan -> choose Properties.

Step 2. Under on the Tools tab -> click the Check button under the Error checking section.

Step 3. Next, you can choose to Scan drive if wanted or Repair drive if errors were found.

Step 4. When the scanning finishes, click on the Show Details link to see the Chkdsk log in Event Viewer.

#3. How to Scan Drive for Errors Using Chkdsk Command

Chkdsk is performed to check the file system and file system metadata of a volume for logical and physical errors. If used without parameters, chkdsk displays only the status of the volume and does not fix any errors. If used with the /f, /r, or /x parameters, it fixes errors on the disk volume. As explained here, you should note that Chkdsk works much more powerful than method 1 and method 2. It can not only check disk in Windows 10, but also scan errors and repair them.

Parameters description:

  • chkdsk /f: Fixes errors on the disk. The disk must be locked. If chkdsk cannot lock the drive, a message appears that asks you if you want to check the drive the next time you restart the computer.
  • chkdsk /r: Locates bad sectors and recovers readable information. The disk must be locked. /r includes the functionality of /f, with the additional analysis of physical disk errors.
  • chkdsk /x: Forces the volume to dismount first, if necessary. All open handles to the drive are invalidated. /x also includes the functionality of /f.

Step 1. Type cmd in the Windows 10 search box, and choose to run as an administrator.

Step 2. When Command Prompt launches, type the command chkdsk C: /f /r /x.

By using the chkdsk command [chkdsk C: /f /r /x], you'll be able to check and scan the C drive for errors, and repair the file system corruption and bad sectors if errors were found.

#4. How to Scan and Repair Disk Errors Using Chkdsk Alternative

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.

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:๎œš 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.

# 5. How to Check Disk with EaseUS Disk Checking Tool


EaseUS Partition Master is a comprehensive disk and partition management tool that empowers users with a wide array of powerful and practical features, such as resize, format, delete, wipe, or create a partition. Once you download the free partition manager software, you'll clearly see a disk check function in it. This way of checking disk is meant to identify and fix hard disk partition bad sectors, file system errors, and other disk errors in Windows 10, however, in an automatic and fast way.

Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose 'Check File System'.

Step 2: In the Check File System window, keep the 'Try to fix errors if found' option selected and click 'Start'.

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click 'Finish'.


According to what we've presented in this article, there are basically five ways for us to check disk in Windows 10. When we need to check disk, we use the utility called chkdsk, which is a Windows utility that can check the integrity of your hard disk and can fix various file systems.

You can apply check disk (chkdsk) in my computer and Command Prompt, or use the alternative third-party disk checking tools to automatically scan and repair hard drive errors.

How to check SD card for errors

'I have a microSD in my Samsung phone, and it somehow got corrupted. My phone says that I need to scan the SD card to check SD card health and fix errors. But I am not sure how to do this. Can anyone help?'

Check SD card health overview

The longer you use an SD card, the higher the possibility that errors, bad sectors, or corruptions occur on the device. It will finally cause errors like memory card not formatted, SD card not recognized, SD card read and write error, SD card is damaged try reformatting it, blank SD card, unable to format SD card, SD card data not showing or become shortcuts, SD card shows 0 bytes, memory card locked, SD card is not accessible the volume does not contain a recognized file system, etc..

If you are caught in one of these issues, you need to scan and check SD card for errors to fix the card and make it work properly. You can check SD card health both on your Android phone and PC. Here we mainly focus on how to do SD card health check because your PC works better in repairing damaged SD card.

Check and repair SD card for errors in Windows

1. Open Windows Explorer, right-click your SD card, go to Properties -->Tools --> Check now.
2. Check both 'Automatically fix file system errors' and 'Scan for and attempt recovery of bad sectors'.
3. Press the Start button to let the Check Disk to scan the SD card and correct any errors it finds.

Windows built-in SD card tester can quickly check SD card for errors, and it works at most times. If the error can not be repaired in this way, don't fret, you can try to use a free third-party disk manager to check SD card health and repair corrupted SD card.

Check SD card health Windows 10 with a free partition manager

EaseUS Partition Master Free is a superior tool that provides the most full-around solutions for disk and partition management.

The outstanding features of EaseUS partition manager:

  • Check SD card bad sectors with the SD card checker utility
  • Resize/move partitions, create, format, delete, and merge partitions
  • Copy and clone an entire disk to another even the target partition is smaller than the source
  • Convert a logical partition to primary or primary partition to logical, FAT to NTFS partition, MBR disk to GPT, or GPT disk to MBR
  • Completely wipe out all the data on the hard disk to prevent information from being leaked or recovered

Now, download this free SD card health check tool. Then, follow the steps below to check SD card health and repair the corrupted SD card file system. You can also use this method to repair corrupted HDD/HDD without losing data.

Step 1: Open EaseUS Partition Master on your computer. Then locate the disk, right-click the partition you want to check, and choose 'Check File System'.

Step 2: In the Check File System window, keep the 'Try to fix errors if found' option selected and click 'Start'.

Step 3: The software will begin checking your partition file system on your disk. When it has completed, click 'Finish'.

How to Format SD card to check and fix bad sectors without data loss

Checking file system can repair a corrupted SD card caused by a damaged file system. If this approach doesn't work, you can format the SD card to fix the errors and use it again.

Formatting SD card will cause data loss. To scan and check SD card errors without losing any file, we highly suggest that you use a professional data recovery software to recover data from corrupted SD card at first. You can use EaseUS free partition management program to format the SD card without effort.

Step 1: Open EaseUS Partition Master. Find your SD card and right-click the partition you want to format and choose 'Format'.

Step 2: Set a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.

Step 3: Click 'OK' on the pop-up window to continue.

Step 4: Click the 'Execute Operation' button on the toolbar, then click 'Apply' to start formatting your SD card.

Useful tips for SD card health check

Error Scan And Fix

  • Format corrupted memory card will erase all your data, so make sure that you have made a backup. And if you can not access the card, you can try EaseUS disk data recovery to check if your files are recoverable.
  • If the errors cannot be are repaired even you have reformatted the SD card, you might need to buy a new card.
  • Regular backup your files in case that errors or corruptions occur on your SD card again and cause unexpected data loss disaster.

To sum up

EaseUS Partition Master Free offers you the most comprehensive methods to check SD card health and check the file system. What's more, you can use the disk surface test feature to check bad sectors on the SD card. All the bad sectors will be marked as red. You can know the health of your SD card by the number of bad sectors.

Check SD card health frequently asked questions

Here are a few more questions about the SD card health check. Read them if you are interested.

How do I check my SD card conditions?

You can use an SD card surface tester to check SD card for errors. EaseUS disk management software has a Disk Surface Test function to help you check physical bad sectors on your SD card in one click.

How do I know the actual capacity of my SD card?

Scan My Mac For Errors Mac

You can know the actual capacity of your SD card in the following way:

Scan My Mac For Errors Omissions

Connect your SD card to the computer. Right-click the Start button, choose Disk Management. Here, you will see all the hard disks displayed, including HDD, external hard drive, SD card, or other storage devices. You can check the SD card size and storage usage.


How do I check the lifespan of my SD card?

Scan My Mac For Errors Free

Current technology combined with normal usage can usually make smart cards have a service life of 10 years or more, allowing consumers to update their devices for many years and reduce consumer electronic waste.