Windows 10: Computer restarting for no reason

I'm running Windows 10 Home 21H2 on a desktop I built. The OS is not activated.My computer just rebooted for seemingly no reason. It used to do this more often, but this is the first time in several months. I had a video open, but it was paused, and nothing else actively going on.I have WhoCrashed, but whenever I pull it up, there's no information to give me. It's shutting off too quickly for a report to get made. I've tried checking the Event Viewer system logs, but all I can see there is that the computer rebooted without safely turning off. In the past, this has tended to happen while playi

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Windows 10 infinite restart black screen

Thank you john for all of your help i decided to get the usb my computer came with and factory reset it i didnt have anything that personal or valueable so its ok thanks for the help though i appreciate it

 

windows 10 says it needs to update for security reasons, then updates and restarts, then upon restart it restores the previous version

Hi Kathleen,

One of the usual reasons why you are experiencing this issue can be because of corrupted or missing system files that are interrupting the update process. We would like to know the following to isolate the root cause of the issue:

• Were you able to login to the computer before it updates and restarts?
• Which version of Windows 10 are you using? Is it Windows 10 1703 or Windows 10 1709?

If you are using the Windows 10 version 1703 or 1709, we suggest setting up the
Active hours on your computer to prevent automatic restart. This will help us perform the needed troubleshooting steps without the computer suddenly restarting.

Kindly follow the steps below to set it:

• Open your Settings.
• Choose Update & security.
• Under Windows Update, choose change active hours.
• Choose the time where you will perform the troubleshooting steps.
  
  
  
• After you successfully set it up, we recommend downloading the troubleshooter on this article and run it:
  Windows Update Troubleshooter.
  This will identify the root cause of the issue and provide the appropriate fix for it.

Update us with the outcome so we can provide further assistance.

 

Computer crashes and restarts periodically

Hello Kurt,

Thank you for posting your query in Microsoft Community.

I will be glad to help you with the issue you have with the computer. I understand the frustration when things don't work the way it should.

What is the make and model of your computer?

What is the anti-virus program on the computer?

I suggest you to try the following steps:

Uninstall and Reinstall the Graphics Card Drivers.

Step 1: Uninstall the Graphics Card
Drivers

• 
  Press “Windows Logo” + “X” keys on the keyboard.
  
• 
  Click on “Device Manager” from that list.
  
• 
  Search for the Graphics Card
  from the device list, right click on it and then select “Uninstall”. On the un-installation window, if you have an option: “Delete the driver software for this device” you may select that and then remove the corrupted drivers
  from the computer.
  
• 
  Follow the on-screen instructions to complete it and then restart the computer if prompted.
  

After the restart, please go ahead with the next steps to install the latest drivers and check if that resolves the issue.

Update Driver Software from the Manufacturer’s website:

Step 2: Go to the Computer or Graphics Card
manufacturer’s website and search for the latest Windows 10 drivers available for the
Graphics Card model and then install it by following the instructions given in the website.

I hope this helps you. If you have any further query in future, feel free to contact us. We will be happy to help you.

Thank you