Lỗi a disk read error occurred win 10


Windows has a built-in test tool which often warns you of errors regarding your hard drive or partition. Aước ao the many kinds of warnings, an extremely dreadful one is "A disk read error occurred". If this error happened lớn you, you have sầu come lớn the right place - we have 7 useful solutions for you lớn fix this problem.

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Help, a Disk Read Error Occurred Windows 10/8/7/XP!

A disk read error is very common; it usually occurs as soon as your computer boots up from SSD, HDD or another hard drive and has affected a large number of users of Windows 10/8/7/XP..

This error has the message "A disk read error occurred. Press Ctrl+Alt+Del khổng lồ restart" on the screen like the picture below:


This message indicates that your hard drive has a problem when the operating system attempts to lớn read the disk. That is, the disk is preventing the computer from entering inlớn its operating systems.

Simply put, a disk error could be caused by several reasons such as incorrect boot order, BIOS issue, IDE cables failure, incorrect MBR configuration, faulty hard drive, etc.

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 the presence of this issue, it will still exist regardless of how many times you restart your computer by pressing “Ctrl+Alt+Del”. In fact, a disk read error is not a problem that can be solved by a simple restart. But don’t worry, this post will tell you top seven useful solutions lớn a disk read error occurred SSD.

Solution 1: Boot OS from Hard Drive

If a disk error occurred, the first thing to bởi is lớn check whether the boot order is correct in BIOS.

There are different ways khổng lồ get inkhổng lồ BIOS in different computer models và operating systems. When turning on the computer, the first boot screen will usually show you what key khổng lồ press lớn go inkhổng lồ the BIOS.

You can refer to lớn this guidance How to lớn Enter The BIOS On Your Computer. Once you are in BIOS, find the boot order section. In the boot order section, check to make sure the correct hard drive sầu is placed as the first boot priority before any others in the listing.


Changing this setting might be enough lớn help your computer boot normally. If it is still unbootable, try the next solution to lớn fix disk error occurred.

Solution 2: Remix or Upgrade BIOS

Here is the step-by-step guide khổng lồ reset BIOS:

Press a specific key (F2, F8, F12, Esc or Del) according to your computer mã sản phẩm và OS to lớn enter inkhổng lồ BIOS.Find the option to lớn reset BIOS to default.


If the disk read error on boot up persists, try the following solution.

Solution 3: Repair Master Boot Record and Boot Sector

A corrupted or damaged Master Boot Record or boot sector could cause disk errors. Therefore, repairing the MBR or boot sector might be able to fix the issue"A disk read error occurred" with USB boot.

As a dedicated partition manager, MiniTool Partition Wizard could be used for many operations such as resize/move/extend/copy/wipe partition, rebuild MBR, migrate OS to lớn SSD/HD, copy disk, recover lost partition, perkhung data recovery, và so on.

Here we strongly recommover MiniTool Partition Wizard Professional Ultimate Edition. This edition has a feature called "Bootable Media" based on Win-PE; it is designed lớn manage disks và partitions when the operating system fails khổng lồ boot or when there is no operating system.

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Follow the steps in these two articles to create bootable media using MiniTool software:

Step 1: After booting your computer from a MiniTool Partition Wizard Bootable Disc, you will enter the MiniTool PE Loader interface. Cliông chồng "MiniTool Partition Wizard" lớn continue.


Step 2: In the main interface of MiniTool Partition Wizard, select the target hard drive with the operating system và clichồng "Rebuild MBR" from the "Check Disk" menu. Or, choose this feature from the context menu.


Step 3: Then clichồng "Apply" lớn exedễ thương this change.

Solution 4: Test Your Hard Drive

If your hard drive has a bad sector, it could cause the issue “a disk read error occurred” during the process of computer startup as well.

To vày this, purchase MiniTool Partition Wizard Pro Ultimate Edition and use "Bootable Media" to create a bootable USB flash drive sầu or CD/DVD. After that, restart the computer from the bootable device you just created.

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Step 1: Right-cliông chồng the target hard drive (SSD or HDD) that contains the Windows XPhường, 7, 8 or 10 operating system & then cliông chồng "Surface Test". This feature is designed khổng lồ scan và kiểm tra each sector of the hard disk.

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Step 2: Cliông chồng "Start Now" to lớn start scanning all sectors of your disk. Refer to the following screenshot: MiniTool Partition Wizard will mark "disk blochồng without read error" in green, & mark "read error in this block" in red.

All sectors of your disk should be tested completely within a few minutes.


A: Shield Bad Blocks

After finishing the disk kiểm tra, if there are some bad sectors, you should take a measure to shield them. Unfortunately, MiniTool Partition Wizard doesn"t have sầu this feature. Instead, we find What to Do If I Find Bad Sectors on Hard Drive in Windows 10/8/7?.

B: Baông chồng up Important Files

When there are bad sectors on your hard drive, due to lớn data security reasons, you should baông xã up your important files after shielding them. Otherwise, the data could be lost.

How to make a backup while the system is unbootable with "A disk read error occurred" message? Don"t worry, you can also ask MiniTool Partition Wizard Bootable CD for help.

Step 1: In the main interface of MiniTool Partition Wizard, right-clichồng the disk và select "Copy Disk" from the context menu. 


Step 2: Select a destination disk to lớn copy all data on the source disk to lớn.


Warning: During the process, the content of the target hard drive sầu will be deleted, so an empty disk would work the best. If the target disk contains data, please ensure the important data has been backed up.The target disk kích cỡ should be larger than the used disk space on the source disk.

Step 3: Choose a copy option between "Fit partitions lớn entire disk" và "Copy partition without resizing".


To change the target disk khổng lồ GPT, kiểm tra "Use GUID Partition Table for the target disk".


Step 4: MiniTool Partition Wizard will advise you to modify BIOS boot order. Feel không lấy phí to ignore it since it is unnecessary for a backup in this case.


Step 5: Finally cliông chồng "Apply" khổng lồ finish all changes.


With the help of MiniTool Partition Wizard Bootable Edition, you can easily fix the disk read error. To boot your computer, get the Professional Ultimate Edition & use “Bootable Media” lớn create a bootable disc now.

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Solution 5: Check Your Hard Disk IDE Cables

A disk read error can be caused by bad or incorrect IDE cables that are loose or defective sầu.

To rule out this possibility, you can open the computer’s hood và kiểm tra whether each IDE cable is fastened completely on both ends. If there is something wrong, the faulty cables will need lớn be replaced to fix "A disk read error occurred".

Solution 6: Test RAM

Sometimes, read disk error is related lớn a faulty RAM stick or RAM slot. In this case, it is necessary to lớn make a completely non-destructive & exclusively informative sầu thử nghiệm on your computer"s RAM.

You can download an appropriate version of Memtest86+ lớn check the RAM. Follow the guidance here: How to Test PC Ram with MemTest86.

If this tool finds errors, try inserting your current RAM sticks inlớn different RAM slots to confirm whether that the problem exists in the RAM stiông xã or a RAM slot. Then you can take corresponding measures lớn fix it.

Solution 7: Rescue Data

If you have sầu tried all the above sầu solutions but still receive disk read error on boot up, you can consider recovering data from your hard drive sầu. Your partition can get lost, so try MiniTool Partition Wizard with its "Partition Recovery" feature in the toolbar to lớn retrieve the lost partition as well as data.

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Another data recovery software, MiniTool Power Data Recovery, is also helpful for retrieving data from a corrupted hard drive sầu.

After recovering data, then reinstalling operating system is a good choice. Please prepare a Windows installation disc & then insert it inkhổng lồ your computer. Next start to install a new OS according to lớn the wizards.

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