An Operating System Wasn’t Found: What Do I Do? - Post Thumbnail

An Operating System Wasn’t Found: What Do I Do?

Sometimes when installing the new Windows, users face a confusing situation. The device says that an operating system wasn’t found. It clearly states that the flash drive you use or the disk does not have an operating system on it. But you are sure the drive has the OS. What should you do? Let’s discuss it in the article below.

An overview of the problem

There are many reasons why users can face such a problem. The most frequent one is the corrupted file. Sometimes the hard drive or the flash drive with the OS is damaged. It prevents the installation process.

Another possible situation is that the drive with the OS is not connected. There might be a case of some obstacles in between or the problems with the controller.

As a rule, when such a problem occurs, the device offers a possible solution. The error notification asks to disconnect the drives and restart the PC using a key combination.

How to resolve the problem?

First things first. To fix the situation, a user must verify that the hard drive with the OS is properly connected to the PC. Remove any other drives.

Then a user must see if the drive is attached properly and recognized by BIOS/UEFI.

Double-check the settings of the Secure Boot in UEFI. If the settings were changed, you should restore them.

All these things can help you resolve the problem. But sometimes, all factors above are checked, but the OS isn’t installed. In this situation, there is nothing left to do but to recover the Windows Startup Repair. It’s a complicated process for inexperienced users. That’s why if you don’t feel confident you can do it, delegate the task to the professionals.

An alternative method is to configure and repair the Boot files. There are some great step-by-step instructions online. Follow them precisely to achieve your goal and eliminate the error.

Other useful tips

Nowadays, computers are very vulnerable to all sorts of threats. Plenty of malicious sites and files lurk on the Internet, trying to steal your personal information or corrupt the files. In many cases, such situations lead to software glitches, error messages, and other troubles. Be proactive and minimize the possibility of such events by doing the following protection methods:

  • Use a firewall for your online browsing;
  • Install a reliable antivirus and Internet security software;
  • Use complex passwords;
  • Avoid clicking on spam;
  • Back up the files to protect them.

Aside from that, it’s essential to update your OS when the new versions appear. The developers regularly release updates for all OS versions. They contain useful features and changes in configurations that help smooth the performance in the world of new realities. Whenever something new appears on the market, OS must adjust, find a way to work with the information, etc.


When you see the window that tells you an OS wasn’t found, you must take action immediately. There are several possible solutions you may try on your own or turn to a specialist for professional assistance.