Solutions to a Disk Read Error occurring in Windows 10/7/8

“A disk read error occurred. Press Ctrl + Alt + Del to restart” error is a very annoying problem and there’s no set fix for it since different reasons can cause it. However, with the help of the MiniTool technical support and some users’ report, here I got some tried-and-true ways for you to fix the error.

Disk read error is very common. Usually, this error occurs as soon as your computer boots up from SSD, HDD or another hard drive.

And it has infected a large number of users of Windows 10/8/7/XP.

This error appears with such a message "A disk read error occurred. Press Ctrl+Alt+Del to restart" on the laptop or desktop screen, just like the following picture shows:


This message refers to the problem on your hard drive or issues during the process of the reading disk with the operating system.

Namely, it doesn't allow the computer to enter into its operating systems.

To simply speaking, disk error occurred issue is caused by some reasons such as incorrect boot order, BIOS issue, IDE cables failure, incorrect MBR configuration, faulty hard drive and so forth.

When meeting such an issue, no matter how many times you restart your computer by pressing “Ctrl+Alt+Del” keys, this error still exists.

In fact, read disk error is not such a problem that can be solved by a simple restart. In this case, you are very upset and don’t know what should do.

Don’t worry, this post will tell you top seven useful solutions to a disk read error occurred SSD below.

How to Fix Disk Read Error Windows XP/7/8/10 Solution 1: Reset or Upgrade BIOS

In some circumstances, "A disk read error occurred" in Windows XP/7/8/10 can be fixed if you reset the laptop or desktop BIOS to its default or upgrade to the latest version which must be available for your computer.

The step-by-step guide on BIOS resetting is useful for you below:

1.Press a specific key which can be F2, F8, F12, Esc or Del key to enter into BIOS.

2.Then find an option to reset to default.


Solution 2: Repair Master Boot Record and Boot Sector

If your Master Boot Record or boot sector is corrupted or damaged, disk error will appear. So in order to fix disk read error, you need to take measures to repair MBR or boot sector and solve "A disk read error occurred" issue with USB boot.

How to do this work in Windows XP/7/8/10? Actually, you can repair MBR with a professional and reliable partition and disk management tool – MiniTool Partition Wizard.

As a dedicated partition manager, you can do many operations, such as resize/move/extend/copy/wipe partition, rebuild MBR, migrate OS to SSD/HD, copy disk, recover lost partition and so on.

MiniTool Partition Wizard Professional Edition is strongly recommended to you to repair MBR in Windows XP/7/8/10. This edition has a feature called "Bootable Media" based on Win-PE.

It is designed to manage disks and partitions when the operating system fails to boot or while there is no operating system.

Step 1: After boot your computer from MiniTool Partition Wizard Bootable Disc, you will enter MiniTool PE Loader interface. Click "Partition Wizard" to continue.


Step 2: In the main interface of MiniTool Partition Wizard, select the target hard drive with the operating system and click "Rebuild MBR" from "Check Disk" menu.


Step 3: Then click "Apply" to execute this change.

Tip: After repairing MBR, please remember to change the boot order, then restart your computer, it can be bootable.

Solution 4: Test Your Hard Drive

In fact, when the disk error occurred issue occurs during the process of computer startup, there is another reason you should take into account, that is the bad sector of your hard drive.

If there are some blocks, this issue may appear frequently in Windows XP/7/8/10. So you can check the disk surface to make sure whether bad sectors are here or not.

In order to do this work, MiniTool Partition Wizard Bootable CD is still a good assistant. Before you do, you also purchase its Pro Edition and use "Bootable Media" to create a bootable USB flash drive or CD/DVD and then restart the computer from this device.

Step 1: Select the target hard drive (SSD or HDD) holding Windows XP, 7, 8 or 10 operating system, then click "Surface Test" function for a try. This feature is designed to help scan and test each sector of the hard disk.


Step 2: Then click "Start Now" button to start to scan all sectors of your disk. From the following screenshot, you know MiniTool Partition Wizard will help you to mark "disk block without read error" in green, and mark "read error in this block" in red.

After a few minutes, all sectors of your disk will be tested completely.


If you receive "A disk read error occurred" message on the screen in Windows XP/7/8/10 on desktop/laptop boot up, you should not worry any more. Take it easy now as there are more solutions to out of these mentioned above.

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