My computer is restarting

You likely have corrupted files. So start with try the following. If you can't get into the Advanced Startup you may have to use a USB Windows Setup flash drive instalation media to run Advanced Startup. If you don't have Windows Installation Media then you can download and create it from a working computer by going to the website http://www.microsoft.com/software-dow... and clicking on your version of Windows and click on "Download Tool Now".

Accessing Advanced Start-up when PC isn't loading:

If your device isn't loading or stuck during boot, you can use this method to access the recovery environment:

1. Turn on your PC.
2. As soon as the Windows logo appears on your screen, press the power button to turn off computer.
3. Repeat steps 1 or 2 two more times.

After the third interruption, Windows 10 will open into the Advanced Start-up environment

While in the Advanced start-up environment, use the following steps to use Start-up Repair:

1. Select Troubleshoot button.
2. Select Advanced options button.
3. Select the “Start-up Repair” button.
4. Select your account.
5. Type your account password.
6. Click the Continue button.

If the above doesn’t help do the same as above but this time select “System Restore” from the “Advanced Options?”

• From CMD Prompt

 Run following:

•  Chkdsk /F
• SFC /scannow
• After that finishes run Dism /Online /Cleanup-Image /RestoreHealth

(Note:    Repair Windows 10 - "you need to sign in as an administrator to continue, but there aren't any administrator accounts on this PC"

1. 1) Press Shift and Restart from the power icon (together)
2. 2) Select Troubleshoot.
3. 3) Go to Advanced Options.
4. 4) Select Command Prompt.
5. 5) Type "net user Administrator /active:yes")