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2-step guide to fix 'A disk read error occurred' and recover data

2017-04-01 16:16:34 Posted by Abby Haines to Partition Manager

Summary:
2-step tutorial is created here to teach you how to fix ‘A disk read error occurred. Press the Ctrl+Alt +Del to restart’error in Windows 10/8/7/XP. Try it to recover your data and make your PC start up properly.

As a computer user, you may get different error that prevent you from accessing your hard drive or data now and then. Among them, "A disk read error occurred" is the most frustrating one. When it appears, you will be asked to press the Ctrl+Alt +Del to restart. But, at most times it won’t help and you won’t be able to boot your computer properly. The issue has infected a large number of users in Windows 10/8/7/XP. 

'A disk read error occurred. Press the Ctrl+Alt +Del to restart' error

In this page, we have collected 5 ways that said to be the most effective solutions to fix the issue. If you are one of the victims, try them one by one to easily get rid of "A disk read error occurred" error and regain access to all your data. 

Two steps to fix "A disk read error occurred" issue in Windows 10/8/7/XP

Step 1. Backup or recover your data 

It would be an easy job to fix "A disk read error occurred" issue. But the problem is that most users have important personal stuff on the hard drive. So, they are puzzle about how to protect their files. You know, some troubleshooting steps might do bad damage to their data and finally result-in irreversible data loss disaster. In view of this, we recommend you to backup or recover your data first. 

To backup or recover your data from "A disk read error occurred" error:

You can just take the drive out and temporarily attach it to a working PC to retrieve the data. 

Step 2. Try the following guides to fix "A disk read error occurred" issue

To effectively fix "A disk read error occurred" issue, you’d better figure out all the possible reasons that might cause the error. It will help you take the right measure. Here, we list 5 common ones:

  • BIOS issues
  • Corrupted MBR
  • Disk errors or file system corruption
  • IDE cables failing
  • Bad RAM memory

Each reason will have a corresponding solution. Next, you can try the following methods one by one to check where the problem exists.

Method 1. Check RAM memory

If "A disk read error occurred" error appears after you adding a new RAM memory to your computer. Try the steps below to fi the issue:

1. Remove the new RAM modules you’ve recently added
2. Leave only 1 single RAM module
3. Restart the computer

Method 2. Reset BIOS to its default or upgrade it to the latest version

"A disk read error occurred" issue can stem from BIOS issues. If it the problem, to reset your BIOS to its default or upgrade to the latest version which must be available for your computer will help to fix the disk read issue.

1. Press a specific key to enter into BIOS. Depends on your laptop model, it can be F2, F8, F12, Esc or Del key.
2. Then find an option to reset to default.

Method 3. Repair MBR and Boot Sector

If you also meet the "A disk read error occurred" error message, it suggests that BIOS is not the problem. Then try to rebuild MBR and repair Boot Sector to check if it is the cause. You can free do it without software. But it is not recommended because it is a little bit complicated for users who have no experience. So, here we recommend you to try EaseUS partition software. It is helpful to save your steps. 

1. Take the hard drive out and temporarily attach it to a working PC.

2. Download and launch EaseUS partition software, click 'Disk' > 'Rebuild MBR', then choose the proper Operating System version in the new windows.

Repair MBR and Boot Sector to fix  'A disk read error occurred' error

3. Apply the operation. After that, connect the fixed hard drive to original computer and boot from it.

Method 4. Check and repair disk errors and file system corruption

If "A disk read error occurred" error message still exists, try to check if there are errors, bad sectors or file system corruption on the disk that result in the problem. Also, EaseUS partition software can help and make the job easier.

1. Launch EaseUS free partition tool and right-click the disk that you want to test and repair by clicking “Check partition”.

2. Choose the way that you want to use to check the hard drive: Check Partition PropertiesCall Windows Chkdsk to fix errors, Surface Test.

Click OK.

3. Let the hard drive diagnostic tool automatically scan hard disk partition and repair errors for you. Click OK to finish the process.

Check and repair disk errors and file system corruption to fix  'A disk read error occurred' error

Method 5. Check Hard Disk Cables

"A disk read error occurred" error can be also caused by damaged hard disk cables. So, try the following tips to fix the error if the above methods don’t work.

1. Try a different port for the SATA/IDE cables
2. If you have more than 1 HDD, leave only the HDD with Windows installed and test multiple SATA/IDE ports and cables