How to Fix if Computer Randomly Restarts on Windows 10 & 11

Does your computer randomly restart out of nowhere? It can happen with Windows 8.1 10 or Windows 11 due to different reasons. While you are working on your PC and suddenly it goes off. It may be suddenly turning off or Windows restarting itself.

Well, you are not the only one facing this issue. There can be numerous reasons why your computer randomly restarts.

In this article, you will find the possible reasons behind the problem and different solutions to fix the underlying issues.

Possible Reasons

  • Many users say that antivirus causes this issue on their computers. 
  • Graphics card drivers are one of the main culprits for this issue. 
  • Some altered settings in the startup menu can also cause this problem. 
  • An old BIOS is also a reason.
  • If your device is overheating then you may face this issue. 

Ways To Fix if Computer Randomly Restarts 

Depending on the problem with your PC there are different solutions. If you are unsure then follow the given methods one by one and see what works with you.

Make Sure Your Computer is Not Overheating 

The very first unexplained reason why your computer randomly restarts is because of overheating issues. If you do heavy processing work on your computer, chances are that it will overheat and crash. Just make sure that you provide proper airflow to the CPU. If you use a laptop, you can use a cooling pad while doing heavy work. This will fix the issue for you. 

If your PC offers an interface to monitor the CPU & GPU temperature then keep an eye on it while doing intensive tasks or playing heavy games.

This way you can identify which component is overheating and proceed with the solution.

Change the Advanced Power Settings

The incorrect power settings can turn off the processor of your PC, ensure it is correct.

Step 1: Go to the Windows Search Bar and type “Power & sleep settings”. 

Step 2: Click on Additional power settings at the bottom. 

Fix if Computer Randomly Restarts on Windows 10

Step 3: In the new window, click on Change plan settings

change power settings

Step 4: Now click on Change advanced power settings in the new window. 

change advanced power settings

Step 5: Navigate down and expand the Processor power management option.

Step 6: Here you will see that the Minimum processor state value is set to 100%. All you have to do is set it to 0. 

Fix if Computer Randomly Restarts on Windows 10

Apply and click on OK to save the changes. This will fix the issue for you. 

Change Sleep Mode Settings

Step 1: Go to the Windows Search Bar and type “Power & sleep settings”. 

Step 2: Click on Additional power settings at the bottom. 

Step 3: In the new window, click on Change plan settings.

Step 4: Here, you will see the option reading “Put the computer to sleep:”. Just make sure that it has any value except “Never”. 

change sleep mode settings to avoid random restart

Set your ideal value and click on Save Changes

Uninstall Graphics Driver and Reinstall it 

Uninstalling the Graphics Drivers from your computer and then reinstalling them can help you fix if your computer randomly restarts. Here is how to do it: 

Step 1: Open the Windows search bar, type “Device Manager” and hit enter. 

Step 2: Now expand Display adapters. Select your graphics card, right-click on it and select “Uninstall device”. 

Device Manager

Step 3: Check the option reading “Delete the driver software for this device”. Finally, click on Uninstall. 

Uninstalling a Driver

Step 4: Once you have uninstalled the device drivers, go to the graphics card manufacturer’s site to download the drivers. 

In my case, it is NVIDIA. So I simply went to their site and downloaded drivers for my computer. You can do the same by visiting the graphics card manufacturer site.

Intel DriversDownload from here
NVIDIA DriversDownload from here
AMD DriversDownload from here

Once you download the drivers, you can simply install them and restart your computer. This shall fix the problem for you.

Set the Power Plan to High Performance 

Step 1: Go to the Windows Search Bar and type “Power & sleep settings”. 

Step 2: Click on Additional power settings at the bottom. 

Step 3: Click on Create a power plan from the menu on the left. 

create a power plan

Step 4: Here, select the High performance option. 

Fix if Computer Randomly Restarts on Windows 10

Step 5: Click on Next and use this power plan.

Save the changes and that’s it!

Disable Automatic Restart

Disabling the automatic restart option seems to prevent your computer from randomly restarting in case of any system failure. Here is how you can do it: 

Step 1: Open the Windows Search Bar, type “advanced settings” and hit enter. 

Step 2: Under the Advanced tab click on Settings across Startup and Recovery

advanced system properties

Step 3: Here, uncheck the option reading “Automatically restart”. 

Disabling automatic restart

Click on OK to save the changes. That’s it and this shall fix the computer randomly restarts issue. 

Update BIOS to prevent computer from randomly restarting

Using an old BIOS can also cause this issue on your computer. Luckily, updating the BIOS fixes this issue. Here is how you can update BIOS on your system:

  • First of all, Press the “Windows+R” key to open the Run dialog box. 
  • Type “msinfo32” and hit enter. 
  • You will find all the information about your computer here. 
  • Note down the BIOS Version/Date from the list. 
Fix if Computer Randomly Restarts on Windows 10

Now comes the updating part. All you have to do is go to your computer manufacturer’s site and download the latest drivers for BIOS. Once you download the BIOS drivers, you can simply install them. 

Some motherboard offers you to flash the BIOS using a USB stick, if you can’t start the PC this will be helpful.

Download the BIOS/UEFI file on another working computer, transfer it to the USB stick, and plug it into the affected PC. Now boot from the USB stick or follow on-screen instructions.

Uninstall Antivirus on Your System 

Having antivirus software on your system can also cause this issue. You can simply uninstall the antivirus from the control panel and see if the issue is gone or not. 

Perform a RAM Test for Errors

Faulty RAM can also cause this error on your computer. You can perform several tests to make sure that your RAM is good. Here is one: 

  • First of all, Press the “Windows+R” key to open the Run dialog box. 
  • Type “mdsched.exe” and hit enter.
  • Now choose the option asking to Restart the PC. 

After the BIOS, the scan will start. Let it complete This will tell you if the RAM has any errors.

Check Any Hardware Issues

Make sure that your computer does not have any faulty hardware. You see, any faulty hardware can cause the system to crash and you will face such issues. Run a test and check if everything is working properly on the hardware end.   

Remove all peripherals and external disks, connect them one by one and check which external device is causing the problem. Once you find it, replace it.

Reset Your PC

This is the final option for you. Resetting your PC can erase your data so it is advised to take a backup before doing so. Here is how to do it: 

  • Go to the Windows Search Bar, type “Reset this PC” and hit enter. 
  • Now click on Get Started under the “Reset this PC” option. 
  • Follow all the on-screen instructions and select the “Keep my files” option while resetting. 
reset this PC if randomly restart

Resetting your PC will remove all the installed apps, you have to reinstall them again. It will also fix the problem with the Windows operating system.

That’s it!

Closing Phrase

Your computer might restart itself due to different reasons, a sudden shut down mainly happens due to overheating and graphics card driver errors. Once you apply the above fixes it won’t happen again.

Don’t forget to check if there are any scheduled tasks to restart the PC. Changing the power plan might help and resetting the PC is a final option.

So that’s how can you fix it if your computer randomly restarts. It applies to Windows 11, 10 & 8/8.1. I hope this guide helps you in solving the issue. In case of any difficulty, feel free to reach out to us. 

Also, Read: 

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