Fix Operating System Not Found or Missing Operating System

Easy To Fix Operating System Not Found or Missing Operating System [100 % Solved]

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Are you tired of seeing the frustrating “Fix Operating System Not Found” error on your computer? If you’re looking for a reliable solution to fix this problem and regain control of your system, you’ve come to the right place.

In this guide, we will explore the reasons behind the “Operating System Not Found” error and provide you with simple and effective methods to resolve it. By following the steps outlined in this article, you’ll be well-prepared to tackle the issue and get your computer back up and running smoothly.

Say goodbye to that annoying error message and get ready to fix the “Operating System Not Found or missing operating system” error once and for all. Let’s dive in and find the solution together.


Are you encountering the dreaded “Operating System Not Found” or “Missing” error message on your computer? Don’t panic! This article will guide you through the steps to resolve this issue and get your operating system up and running again.

We’ll delve into the common causes of this error and provide effective solutions to help you troubleshoot and fix the problem.

Understanding the Error

When your computer displays the “Operating System Not Found” or “Missing” error, it usually indicates an issue with the boot process.

This error can occur due to various reasons, including corrupted system files, incorrect boot device settings, faulty hard drive, or even a loose connection between the hard drive and motherboard. Let’s explore the possible causes and solutions to get your system back on track.

Check Boot Device Settings

The first step is to ensure that your computer is set to boot from the correct device. To do this, access your computer’s BIOS settings by restarting and pressing the designated key (usually Del or F2) during startup.

Once in the BIOS, navigate to the “Boot” or “Startup” section and verify that the primary boot device is set to your hard drive. Save any changes and restart your computer to see if the error persists.


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Verify Hard Drive Connections

A loose or improperly connected hard drive can trigger the “Fix Operating System Not Found” error. Power down your computer and open the case to access the internal components. Locate the hard drive and check the cables connecting it to the motherboard.

Ensure that the cables are securely attached and that there are no visible signs of damage. Reconnect the cables if necessary, close the case, and restart your system to see if the error is resolved.

Run Startup Repair

If the previous steps didn’t resolve the issue, you can try using the built-in Startup Repair feature in Windows. Insert your Windows installation media (DVD or USB) and boot your computer from it. Select your language preferences and click “Repair your computer.”

Choose the operating system to repair, and then select “Startup Repair.” Windows will attempt to diagnose and fix any issues preventing your system from booting properly.

Rebuild Master Boot Record (MBR)

A corrupted Master Boot Record can lead to the “Fix Operating System Not Found” error. To rebuild the MBR, you’ll need to use the Command Prompt in the Windows Recovery Environment.

Boot your computer from the installation media, select your language, and click “Repair your computer.” Then, choose “Command Prompt” from the available options.

In the Command Prompt window, type the following commands sequentially:

  • bootrec /fixmbr
  • bootrec /fixboot
  • bootrec /rebuildbcd

After executing these commands, restart your computer and check if the error persists.

Check for Hard Drive Errors

A faulty hard drive can also cause the “Fix Operating System Not Found” error. To check for errors and repair them, you can use the Windows built-in utility called “chkdsk.”

Open Command Prompt as an administrator and type the command:

chkdsk C: /f. Replace “C” with the drive letter corresponding to your hard drive.

The utility will scan and fix any errors it finds.


Encountering the “Fix Operating System Not Found” or “missing operating system” error can be frustrating, but with the right troubleshooting steps, you can resolve the issue and regain access to your operating system.

Start by checking your boot device settings, verifying hard drive connections, and utilizing tools like Startup Repair, MBR rebuilding, and chkdsk to fix the problem. Remember to double-check all your connections and consult professional assistance if needed.

By following these steps, you’ll increase the chances of successfully resolving the error and getting your computer back in working order.

Fix Operating System Not Found or Missing Operating System [Steps ]

Easiest way to Fix Operating System Not Found or Missing Operating System in simple 8 steps.

Fix Operating System Not Found or Missing Operating System

First, find the windows OS (Operating System) DVD or bootable windows OS USB device.

Attach bootable USB or DVD into your computer.
After step 2 using the function keys (F2, F12 and Delete) enter the BIOS setup.
Then click on Repair Your Computer below the Install Now button.
In Repair Your Computer Open CMD (Command Prompt).
In CMD type “diskpart” then type “list volume”
In list volume, all volumes are shown, then find your system volume where the windows are installed and type “select volume ###“(system volume C) shows on CMD. Ex. select volume 3
After selection of volume, type “ACTIVE“. Your system partition is active now. Type ”exit” to leave diskpart and again ”exit” to close cmd. That’s it now RESTART your computer.

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