Solution 5: Activate the OS Disk Partition

Step 1: Open the Boot Menu & click on the Troubleshoot option.

Step 2: Go for the Command Prompt option.

Step 3: After that, execute the Diskpart Command on the CMD.

Step 4: At last, execute the following command to select the volume where the OS is installed. And using the Active Command, mark the Disk Partition as active.

Command: select volume <Volume Number>

How to Fix Missing Operating System Issue on Windows? (5 Solutions)

If your computer suddenly shows a “Missing Operating System” error message, don’t panic! This issue can occur due to various reasons, but there are 5 simple solutions to fix it. Your operating system is crucial for your computer to function, so resolving this issue is essential.

On Windows, when you boot the device, you get the Windows Error Message on the Blue Screen that Missing Operating System & this prevents you from entering the system. In this article, we’ll walk you through these 5 solutions to Fix Missing Operating System errors step by step, so you can get your Windows system up and running smoothly again.

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Reasons Behind “Missing Operating System” Error on Windows

The Basic Input Output System or BIOS is the main initiator of device booting on Windows. The BIOS itself approaches the OS that loads the entire system. If there is any issue with the BIOS or the Driver on the device where the OS is installed, you might get a Windows Missing OS Error. Some of the reasons why Missing Windows OS Problems arise are the following....

How to Fix Missing Operating System Error on Windows?

To Fix the Missing Operating System issue, the following detailed methods should be executed. We will start with the Simple BIOS Default Settings Restoration method....

Solution 1: Reset the BIOS Default

Step 1: While Restarting the device, press the Del Key multiple times to Enter into BIOS. Now, press the F9 Key there to restore the Default Settings....

Solution 2: Access the Driver from the Boot

Step 1: On the Boot Menu, click on the Troubleshoot option....

Solution 3: Fix Hard Drive

Step 1: Again open the Boot Menu by pressing F2 Key Multiple Time. Now, click on the Troubleshoot option....

Solution 4: Rebuild the Master Boot Record

Step 1: Again open the Boot Menu & click on the Troubleshoot option....

Solution 5: Activate the OS Disk Partition

Step 1: Open the Boot Menu & click on the Troubleshoot option....

Conclusion

As we can see, these are the few simple yet important methods used to resolve How to Resolve Missing Operating System Issues on Windows. After executing all the methods, if the Missing OS on Windows Issue doesn’t get solved, then you have to produce the system before any technician as there might be some major fault occurring....

Fix Missing Operating System Issue on Windows – FAQs

How to Fix Missing Operating System on Windows?...