Win10 system can not boot prompts missing operating system solution

Many users after installing Windows 10 system, but encountered a situation that can not boot, and prompted "missing operating system". What is going on here? The following small series will introduce the specific solution for everyone.
Workaround 1:
First you need to have a U disk boot tool
1, insert the U disk boot into the computer, select the U disk in the bios to start as the first boot item;
2, in Click on the start menu in PE, click “Program”—“System Maintenance”—“System Boot Auto Fix 

3, leave it in the prompt box, wait 2 seconds Automatically enter the mouse and keyboard mixed operation mode;

4, select the system drive letter, the small series system is in the C drive, so press “C” can;

5, then press the prompt Enter “1” to start repairing;

6, restart after the repair is completed, unplug the U disk to see if you can enter the system.

Fault Cause 2: The U disk on the computer has not been unplugged.
Workaround:
As long as you unplug the U disk and restart the computer, you can basically do it.
Remarks: Try to take out the computer after the U disk is used up, so as to avoid the missing operating system when the next boot.
Tip: If the operation is still not working, you can only reinstall the system!
Related reading:
When the Win10 system is powered on, the black screen needs to be forced to shut down and then restart to enter the system. The cause of the failure and the solution
win10 system boot prompts & ldquo;You have used the temporary configuration file to log in & rdquo; Br> The above is the introduction of the Win10 system can not boot prompts missing operating system solution, the friends who encountered the same problem, may wish to try to see.