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IT4nextgen > Windows > Windows PC Restarts Again and Again Randomly [Solved]

Windows PC Restarts Again and Again Randomly [Solved]

Last Updated December 20, 2022 By Subhash D Leave a Comment

Many times in our organization, users complain about PC restart issues. As a member of the IT team, we had to maintain the minimum breakdown time in the office. So we had to correctly diagnose the cause of the problem in order to resolve the issue rightly and in minimum time.

There are two aspects to the windows restarting issue. The tutorial pertains to a system with windows 7/8 or windows 10. The first is a hardware and the other one can be a software issue which we are going to discuss step by step.

Hardware Failure

SMPS

Restarting can primarily occur due to power supply failure. Since SMPS outputs a number of DC voltages to different parts of the computer, any weak voltage can trigger a restart issue. So replacing an SMPS can resolve the issue.

CPU FAN

Open the cabinet and check the CPU fan whether it is stopped running or running too slow to dissipate the heat properly. If this is the case, you have to immediately replace the fan or clean the fan with a blower.

Having said that, you also need to check the SMPS fan on the backside of the Desktop PC.  It should be working properly.

I would like to share with you one instance where a user had put piles of waste paper on the top of the desktop cabinet and these papers were falling behind over the SMPS fan. As the heat was not dissipating properly, it created a lot of heat inside the power supply and cabinet. So, make sure this does not happen since it can also cause system restarting problems.

Software Issues

Windows Update

If you notice that the system is restarting unexpectedly after an automatic windows update, it’s time to uninstall any such update. So, simply open the control panel and navigate to Programs and Features.

Now from the left sidebar options, click on View installed updates.

options in program & Features

Now select the update that is installed recently, and click on Uninstall a program from the left-side menu.

image of update-files

Automatic restart settings

Sometimes there can be errors in the device driver or operating system files. Windows has the in-built functionality to show or notify you of these errors. But, in case the option of Automatic restart is enabled in system property settings, the computer will restart without showing you the error details.

So, right-click on This PC on the desktop and click properties or navigate to control panel>System> advanced system properties>Startup and Recovery>Settings

system-failure-settings

Now under the system failure, de-select or un-tick the radio button saying “Automatically Restart” and click OK button.

startup-recovery-settings-windows10

Bonus TIPS

  • If you want to stop any errors related to windows updates you can follow step-by-step-instructions to disable the windows update in my earlier post.
  • You can also resolve this windows “randomly-restarting” issue that is caused by any software issue by restoring the PC to an earlier time. Just open the control panel>Recovery>Open system restore and select the recent previous date on which windows was working smoothly, and proceed to finish the steps.

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Filed Under: Windows

About Subhash D

A tech-enthusiast, Subhash is a Graduate Engineer and Microsoft Certified Systems Engineer. Founder of it4nextgen, he has spent more than 20 years in the IT industry.

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