- Posted by Faith Armstrong
- On April 3, 2019
While using a Toshiba device many of the users face several kinds of technical glitches. Many of the times we have seen that after resetting or refreshing the Toshiba device it froze in the middle of the process. And if you force it to reboot the device then you will get a blue screen with a message saying ‘An Operating System wasn’t found. Try disconnecting any drives that don’t contain the Operating System. Press ctrl+alt+del to restart. The error message is really not expected as it is impossible for refreshing or resetting process to delete your Operating System. That is why the appearance of the blue screen on your computer is quite shocking. At times, the device even continues to display the blue screen whenever you try to restart your device.
If you are facing such an irritating issue on your Toshiba device, then stop worrying. Here, we are going to provide you some easy and effective fixes that will help you to get rid of the situation without wasting too much time.
Reasons Behind the Operating System Not Found Error
Here, in this part of the article, we are describing some of the major reasons that can create such an annoying problem on your Toshiba device. Have a look:
- If the System or the BIOS fails to detect Windows installation hard drive/disk then the chances of the occurrence of such an error amplify.
- An improper or incorrect BIOS settings can also create such an error on your system.
- If due to physical or logical damage the system hard disk drive faces failure, then you might face this issue.
- Along with all the above reasons, if the Windows boot files in system partition are no longer active the Toshiba Operating System not found issue can occur.
- In addition, if the Windows Master Boot Record disk is damaged then this problem can appear on your Toshiba device.
Amazing Solutions of Fixing Toshiba Operating System Not Found Error
Now, it is time to try to resolve the problem with the help of some quick and easy fixes. So, follow the below-mentioned methods one by one and try to fix the problem without wasting your valuable time anymore. Let’s start the process.
Method 1: Change or Reset the BIOS Configuration
This error often shows up on the device if the BIOS fails to find the hard drive. So, it is wise to check BIOS settings at the time of trying to fix the error. And you need to follow these steps in order to check the BIOS settings:
In order to start the process, you have to Restart the computer and you need to hold and press the or ‘F10/F12’ key to open the BIOS menu.
Now, you can release the key after the appearance of the BIOS Setup Utility screen.
Here, you need to check the BIOS’ main screen thoroughly and see if it is detecting the hard drive. Along with that, you need to see the boot order to check whether it is set in a proper manner or not.
If you find that it is not detecting the hard drive correctly then you need to replace the data cables, or you can even reset the BIOS settings to its default values to resolve the problem in one stroke. To reset BIOS settings you just need to follow the upcoming steps one by one accurately:
- You need to navigate to the BIOS screen again and there you have to find the option ‘Setup default’ or ‘Reset to default’ option. You can find it either as an option in the menu or as a hotkey.
- And then, you have to select the Reset option, and after that when the confirmation option appears you should answer ‘Yes’ and continue the process.
- And finally, you will have to choose the option ‘Exit -> Exit saving changes’ to complete the process.
Method 2: Run Automatic Repair
If you see that, the previous method is refusing to work for you then you need to try this one and check if the error still persists on your Toshiba device. In this method, we will describe the process to run the Windows Automatic Repair. Trust us, this method can work for you like magic as we have witnessed the amazing result of it in many cases. And to perform this solution follow the below-mentioned steps and access the Automatic Repair from an install disc:
- First of all, you need to Boot from the Windows install disc.
- In the setup page, choose the proper language, time and keyboard input and then hit the option Next to continue the process.
- After that, what you need to do is hit the option ‘Repair your computer’ and then choose the Troubleshoot option.
- And now you need to hit the option named ‘Advanced’. And then you need to choose your operating system after selecting the option ‘Automatic Repair’.
After that, check if the problem is still showing or has resolved. If it has been fixed. then it’s okay. But if not, then go to the next method and try to resolve the error within minutes.
Method 3: Rebuild the BCD Using ‘bootrec.exe’
In this method, we will tell you how to rebuild the BCD using bootrec.exe. And to do that, follow the steps mentioned below one by one correctly. Let’s start the process:
- First of all, you have to Boot from the Windows install disc to start the process.
- Then choose the proper language, time and keyboard input after clicking the option ‘Repair your computer ’.
- After that, you need to choose the Windows installation drive i.e., C:\, and then to continue the process hit the option ‘Next’.
- After doing that, you will get the System Recovery Options box on your computer screen. There, you have to select Command Prompt.
- And then in the command prompt, type in the command ‘bootrec /rebuildbcd’ excluding the inverted commas. Once you are done with the typing of the command, hit the Enter key.
- If you find that the program has found a Windows installation and if it is asking if it should add it to the boot list, then you need to hit the ‘Y’ key on your keyboard.
Method 4: Repair or Rebuild the Master Boot Record Disk with Windows Installation Disk
To complete the task follow the upcoming steps in the proper order and resolve the error with ease:
- First of all, to start the process, insert the Windows Operating System Disc to the optical (CD/DVD) drive and then turn your computer on by pressing the Power button, and press the Enter key on your keyboard when Boot from CD prompts.
- After that, to start the Recovery Console, hit the key ‘R’ in the Windows Setup Menu.
- And then type the command FIXMBR at the C:\> prompt and press the Enter key to continue the process.
- Next, press the Enter key after pressing the Y key in the response of the question whether you want to write a new MBR.
- After the completion of the writing process, you need to reboot your computer.
We are quite sure that one of the above processes will definitely work for you. You can tell us your view regarding the steps and which one has helped you to resolve the error by placing a comment in the comment box. Thanks for visiting us and keep visiting us for more such helpful articles.