Fix: Disk Read Error Occurred in Windows

Hard Drive is one of the most essential component of your PC and if it starts facing issues, Windows will automatically warn you about it. The error message displayed in such case is “A disk read error occurred”. In such case, your PC/Laptop will not boot and this loop will come up everytime.

So, what exactly is this error? How to fix Disk Read Error? All this will be answered in this guide.

What Causes Disk Read Error?

This message of A disk read error occurred usually indicates that your hard drive has an issue when the working operating system attempts to read the disk and it says to restart by pressing Ctrl+Alt+Del but It won’t help and you won’t be able to certainly boot your PC appropriately. Nowadays this error has bothered an enormous number of users of Windows 10/8/7/XP.

Followings are the reasons by which in most cases this issue of A disk read error occurred.

  • Issues with your computer’s BIOS version
  • IDE cables failing
  • Improperly configured partition table
  • Incorrect or invalid MBR configuration
  • Faulty hard drive
  • Bad RAM

How to Fix Disk Read Error in Windows

In this article, we have written 5 easy ways which have said to be the most effective solutions for fixing A disk read error occurred by the reasons given above. So if you are one of the users who has been bothered by this issue you can easily get rid of this issue by following them individually. In case if the problem is with hardware the possible replacement of the component might be needed.

1. Boot OS from Correct Hard Drive

If the issue of a disk read error occurred. Then the main activity is to check whether the boot order is right in BIOS.

There are various approaches to get into BIOS in various PC models and windows. When turning on the PC, the primary boot screen will refer you what key you should press to go into the BIOS.

When you are in the BIOS, find the boot order section. In the boot order area, check to ensure that the correct hard drive is set as the first boot priority before any others in the listing.

Changing this setting may be sufficient to enable your PC to boot normally. In case the issue is still not fixed, don’t worry the next one will teach you how to fix a disk error occurred.

2. Reset/Update Your BIOS

The issue of A disk read error Occurred can be fixed by updating and resetting your bios. this will also fix any other issues regarding hardware and BIOS.

Here is the step by step guide to reset your BIOS

Step 1

Restart your system and keep tapping the setup key (try F2 or Delete key; refer user manual to find the exact key of your windows version ) to enter BIOS.

Step 2

Now select Load Setup Defaults or similar option that says apply defaults or load factory settings, default settings, etc.

Step 3

Press Enter to reset BIOS. then select YES when prompted to confirm BIOS reset. Now your BIOS is being reset and your issue of A disk read error occurred has been fixed. If not then don’t worry we have more to offer just scroll it down.

Alternatively, you can also go for the update to fix the issue of a disk read error occurred. You should always keep your BIOS updated.

3. Test Your Hard Drive

In case if your hard drive has a bad division, it could cause the issue “a disk read error occurred” during the procedure of PC startup also.

This issue shows up as often as possible in Windows XP/7/8/10, so you should check the disk surface to check whether there are any bad divisions.

To perform this, buy MiniTool Partition Wizard Pro Ultimate Edition and use “Bootable Media” to make a bootable USB blaze drive or CD/DVD. after that, restart the PC from the bootable device you just made.

Step 1

Select the hard drive (SSD or HDD) that contains the Windows XP, 7, 8 or 10 working operation system, at that point click “Surface Test”. This feature will scan and test your hard drive.

Step 2

Now click on “Start Now” to begin scanning of your hard drive. Refer to the below screen shoot: MiniTool Partition Wizard will stamp “Disk Block without Error” in green, and mark “read error in this block” in red.

All areas of your hard drive ought to be tested completely within a couple of minutes.

4. Test RAM

In some cases, read disk error is related with a defective RAM stick or RAM slot. For this situation, it is important to make a non-damaging and informative test on your PC’s RAM.

You can download a suitable version of Memtest86+ to check the RAM.

After the scan, if the tool discovers the error. Then remove your Ram stick and put it into different RAM Slot to check whether the problem exists in RAM Stick or RAM Slot. Now you can take measures to fix it.

5. Fix MBR and Fix Boot

This can only help when your system’s boot division or MBR (Master Boot Record) gets degenerate or harmed. For performing it, you need a Windows installation or repair disk. You can also create on your own by using windows ISO and tool like Wind32diskimager.

Use it to boot your system and after that

  1.  Select the Language
  2.  Click on the “Repair your computer” link given on the bottom right corner of the window
  3.  Now select the OS (Windows OS version) you want to repair, and then click on ‘Next’
  4.  Then select Command Prompt From the System Recovery Options window
  5.  Now Run CHKDSK utility by typing chkdsk X: /r where X is the drive letter (This will check the disk for   errors and will fix them)
  6.  When Chkdsk gets completed, type Bootrec /fixboot to repair the Boot Sector
  7.  Now type Bootrec /Fixmbr to fix the Master Boot record file
  8.  At the end type Exit, then click Restart.

6. Check your hard drive cables

If your error is still not fixed then check your hard drive’s SATA and power links (IDE) if there is an occurrence of a disk read error. Check are they loose defective by testing the cable’s using a Multimeter Device. You can purchase this Multimeter device is available at any electronics repair shop. In case if they turn out to be failed to replace the cables with new ones.

Bottom line

I assume that this article was informative enough to teach you How To fix A Disk Error Occurred in Windows. So after following the above guidance, you may probably have fixed your issue. In some rare cases, hard disk fails or gets corrupted, then you have to replace your hard drive.

If you have any queries or suggestions feel free to comment down below.

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