Win8.1 system start screen power button missing fault analysis and solution

Reason one: No installation of Updata version

Since Win8.1 also has many versions, early win8. 1 The system start screen has no power button. After the first Updata update is released, the function of starting the screen power button is added, so you are likely to download the earlier Win8.1 installation disk.

Solution:

1. Try to update to the latest version using automatic update;

2. Or download the win8.1 updata version and reinstall.

Cause two: The installed system components are damaged

The installed win8.1 system may have damaged components.

Solution:

You can execute the following command in the cmd interface. After the completion, a txt file will be automatically generated on the desktop, and there will be file information that has not been repaired before. After that, you can directly search for these file names under the C drive to confirm the location of the files, copy these files of the same name to the normal running Windows 8.1 and replace the problem on the machine.

findstr /C:“[SR] Cannot repair member file” %windir%\\logs\\cbs\\cbs.log " quo;%userprofile%\\Desktop\\sfcdetails.txt

Windows For the 8.1 system, you can also try to fix the problem by using the dism command in cmd.

dism/online /cleanup-image /restorehealth

The above is the introduction of the two reasons and solutions for the Win8.1 system start screen power button. After setting, the power supply The option has appeared again.