There are a couple of ways how you can fix Operating System Not Found error on Windows. Thus, if during Windows boot you receive a black screen with an Operating system not found error message, it’s about time to take actions and fix your OS right away.
The issue may be triggered by various issues, including: If the PC owner selects to restart, the system generates an “Operating System Not Found” error message, which then leads to nowhere. Also, before the error emerges, the system may initiate a self-repair and offer the user to restart the PC or open Advanced options. In many cases, the error is preceded by a PC’s sluggishness, app crashes, freezes, and similar issues. However, the majority of reports were from Windows 10 users. This problem might occur on any version of Windows. However, just like many other Windows errors, this one can be fixed. Therefore, the situation is scary and quite complicated. The message is shown in the black windows and prevents from accessing the desktop. Operating System Not Found is an error message that occurs during system startup. To repair damaged system, you have to purchase the licensed version of Reimage Reimage.