How to Fix Error Loading Operating System

Last updated on March 12, 2019 by JoKelly

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How to Fix Error Loading Operating System

When you are working on a Windows computer, you will have to face a variety of issues. “Error Loading Operating System” can be considered as one of the most prominent issues out of them. If you are reading this article, then you must probably be facing the issue as well. Here are some effective methods that you can follow in order to make sure that you are gaining access back to your computer by overcoming the error that you face. In fact, we will let you know about a few different solutions that you will be able to consider. You can simply go through these solutions and locate the best one according to your specific requirements. You can even try these solutions when you see the error “No operating system found” in your Windows computer. Here are the things you need to do to fix the error loading operating system in Windows 10/8/7.

Perform Startup repair

start up repair You can get started with by inserting the Windows 7 or Windows 10 CD into the computer. Then you can restart the computer and press any key at the time of booting. Now you will be able to see an option named “Repair your computer.” Usually, this can be found on the left-hand side. You will then be able to proceed by selecting Troubleshoot, Advanced Options, and Setup Repair. The system repair process will take some time. However, you will be able to end up loading the operating system at the end of it.

Set up BIOS and CMOS

set up the bios and cmos If you can update your motherboard BIOS, you will be able to find a proper answer to the “Error loading operating system Windows 10” issue that you are facing. However, you might not be able to go ahead and update BIOS entirely on your own. In some of the instances, you will come across the need to get the assistance of an expert. In the beginning, you can check if your hard drive is being detected or not. If you notice that your hard drive is not being detected, you need to go ahead and fix it first.


use chdsk command The CHKDSK tool can be considered as an in-built tool in the Windows operating system. You will be able to use it in order to fix the errors that you are getting in your Operating System. In fact, the CHKDSK tool is being used in order to monitor the overall health of your hard drive. As a result, it has got the ability to determine the bad sectors of the hard drive and fix them. To use the CHKDSK tool, you will need to boot your system from the installation disk. Then you can select the option “Repair your System.” You can do this after you skip the screen where you see language preferences. Now you need to click on Troubleshoot and then select CMD mode. Once you are in the CMD mode, you can enter “chkdsk c:/r” and then hit “Enter.’ This will help you to run the CHKDSK tool and overcome the errors that you can see on the hard drive. As a result, you will be able to get rid of the error, which indicates as “Error loading operating system.”

Restore the MBR information

restore the MBR information You will also be able to attempt to fix the MBR information that can be found in your hard drive. However, you need to keep in mind that the way how MBR information is handled differently from one operating system to another. You need to make sure that you have access to an installation disk before you proceed. To begin with, you can boot up your Windows computer installation with the CD. Then you can press any key and proceed to System Repair as mentioned before. Then you will be able to click on command mode to enter the command prompt and insert these mentioned four commands. “bootrec /FixMbr,” “bootrec /FixBoot,” “bootrec /ScanOs,” “bootrec /RebuildBcd.”

You need to press the enter key of your computer at the end of every command. Once you complete entering all the four commands, you can type Exit from the command prompt and get out of it. Then you can restart the computer. After you do that, you will not be able to see the error, which is indicated as “No operating system found” or “Error loading operating system.” The error code “error loading operating system Windows 10” usually happens when you make a mistake while installing Windows. Therefore, you are encouraged to reinstall Windows by formatting your computer.

Recover Your Lost Data with AceThinker Disk Recovery

In case if you make the decision to format the computer, you will worry what will happen to your data. Even after you format the computer, there is a possibility for you to get your hands on the files again. All you have to do is to seek the assistance of a reliable file recovery tool. If you are searching for such an effective file recovery tool, AceThinker Disk Recovery is the best option available out there to consider. It has got the ability to provide excellent assistance to you by helping you recover all the deleted files from the hard drive. Here are the steps that you will need to follow on your computer in order to install and use AceThinker Disk Recovery .

Step1 Download and install the app

First, you need to download Acethinker Disk Recovery to your computer, using the “Download” buttons below. Then you will be able to install it similar to any other application. You don’t need to make a payment to start using it. You will be able to launch the trial version of Acethinker Disk Recovery for free and get the assistance of it to recover your deleted files.

Try It for Free

Step2 Select what to recover

Once you launch Acethinker Disk Recovery on your computer, you will be able to do a file scan. Then, choose what to recover and click “Next.”

select what to recover

Step3 Select a drive location to scan files

After selecting a file on what to recover, you may select on what location to scan with your file. This file scan can take a few minutes to complete, depending on the size of your hard drive. But you will be surprised to see how it can assist you by helping you locate all the deleted files.

select location to scan files

Step4 Recover your deleted files

Once you see the files, you can simply select them and restore them to your hard drive, by clicking the “recover” button. Therefore, you will be able to overcome the frustration of ending up with lost files.

recover your chosen files


Now you know what you need to do after you encounter the error code, “Error loading operating system” or “No operating system found” on your hard drive. The effectiveness of the solutions that we proposed through this article is guaranteed. Therefore, you are strongly encouraged to follow them. Then you will be able to end up with positive results and you will not have to worry about anything. You will be impressed with the level of effectiveness that these methods can provide to you while you are trying to recover your files.

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March 9, 2019

Post By JoKelly to Computer Troubleshooting

Last updated on March 12, 2019

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