How does the computer startup prompt the missing operating system?

When we use a computer, we often encounter various problems, and finally the system cannot enter normally. Recently, many users are giving feedback. When the computer is turned on, there is a prompt for missing operating system. What is going on? In fact, this is caused by the error or loss of the boot file, so how to solve this problem? Below, Xiaobian introduces the solution to the missing operating system of the computer boot prompt.

Operation steps:

1. First, we need a U disk boot disk, and use the U disk to boot into the PE system.

2. Open the Windows self-boot boot repair tool in the PE system.

3. Click on the automatic fix.

4, then unplug the U disk and restart the computer to enter the system.

The above is the solution for the computer startup prompts missing operating system introduced by Xiaobian. Follow the steps above. After the operation is completed, you will not be prompted for the missing operating system.