FIX: Computer constantly restarts after installing Windows

Ivan Jenic
by Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and driver troubleshooting. When he's not tackling... Read more
Affiliate Disclosure
  • Windows 10 restarting constantly is more than annoying because it renders your PC useless.
  • Users reported this problem after installing Windows and many of them blame the antivirus. 
  • For any information about the most popular OS, explore our Windows 10 section.
  • Use our Tech Troubleshooting Hub for help with any PC problems.
Windows 10 restarting issues
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Although Windows 10 offers a lot of cool, new features, it can still bring some problems, as well.

In this article, we’re going to show you what to do if the fresh installation of Windows 10 forces your computer to reboot constantly.

What can I do if the PC reboots after installing Windows 10?

Here are a few other problems that users are facing and can be solved using our guide:

  • Windows 10 continuous, endless reboot – Sometimes their PC can get stuck in an endless reboot. Try some of our solutions.
  • Windows 10 reboot loop – Usually caused by a problematic update, and to fix it, you need to find and remove that update.
  • Windows 10 reboot randomlyCan be caused by hardware problems, so be sure to inspect your hardware.
  • Windows 10 install reboot loop – This is a common problem that can be fixed by installing Windows 10 again.

1. Check your antivirus

According to users, sometimes your antivirus can cause this problem, especially if it’s not fully compatible with Windows 10.

Many users reported that this problem occurred with Avast antivirus, but after removing it, the issue was resolved completely.

Keep in mind that you might not be able to access Windows 10 normally due to this problem, so you might have to use Safe Mode to remove Avast.

Once you enter Safe Mode, be sure to uninstall Avast or the antivirus that you’re using and check if that solves the problem.

Keep in mind that antivirus tools might leave behind certain files and registry entries that can cause the problem to reappear.

To completely remove an antivirus, it’s recommended to use a dedicated removal tool. Most antivirus companies offer dedicated removal tools for their software, so be sure to download one for your antivirus.

Once you completely remove your antivirus, check if the problem is resolved. If your antivirus was the problem, you might want to consider switching to a different antivirus solution.

We strongly recommend VIPRE Antivirus Plus because it’s light on your system but it offers great protection for a reasonable price.

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2. Prevent your PC from rebooting

  1. Boot your computer in Safe Mode.
  2. Go to Search, type sysdm.cpl, and open it from the results.
  3. Click the Advanced tab, and then click the Settings button under Startup and Recovery.
    Windows 10 continuous, endless reboot
  4. Uncheck Automatically restart option, then click OK and reboot your computer.
    Windows 10 continuous, endless reboot

Note: This probably won’t solve your problem but it will provide you with more information. Next time your computer restarts, you’ll probably get a BSoD.

Run a System Scan to discover potential errors

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You can use the message or the error code you get from the blue screen to search it on our large collection of BSoD solutions.

Does your Windows 10 restart randomly? Here’s another guide to fix that problem

3. Fix the Master Boot Record

  1. Restart your PC several times during the boot sequence until a list of options appears.
  2. Select Troubleshoot, then Advanced options, and select Command Prompt.
  3. Run the following commands:

bootrec /FixMbr

bootrec /FixBoot

bootrec /ScanOs

bootrec /RebuildBcd

4. Run the chkdsk command

  1. Restart your PC several times during the boot sequence and start Command Prompt as shown in the previous solution.
  2. Enter chkdsk /r X: (replace X with the letter that matches your system partition and keep in mind that letters might be changed if you start Command Prompt outside of Windows)
    Windows 10 reboot loop
  3. Keep in mind that this process can take 20 minutes or more, depending on the size of your drive.

5. Roll back to a previous build

  1. Restart your PC during the boot phase few times until the list of options appears.
  2. Choose Troubleshoot, then go to Advanced options, select See more recovery options, and choose Go back to the previous build.
  3. Select your user account and enter your password.
  4. Click the Go back to the previous build button and follow the instructions on the screen.

Note: Once your PC is restored to the previous build, the problem should be resolved. If you can’t find this setting, you can also use System Restore to go back to the previous build.

If an update caused this problem, you might want to prevent this update from installing. To see how to do that, check out our how to prevent Windows from installing automatic updates article.

6. Check your hardware

Check for PSU, RAM, GPU issuesSometimes your hardware can cause this problem to appear, and in order to fix it, you need to disconnect all USB devices from your PC and check if the problem still appears.

Several users claim that the issue was their Wi-Fi adapter, so you might want to try removing it to solve this problem.

In a few instances, users reported that their CPU was the cause, but before you replace any major hardware component, be sure to perform a detailed inspection of your hardware.

7. Check your startup applications

  1. Start Windows 10 in Safe Mode.
  2. Press the Windows Key + R and enter services.msc, then click OK or press Enter.
    Windows 10 reboot randomly
  3. Navigate to Services tab, check Hide all Microsoft services and click on Disable all.
    Windows 10 install reboot loop
  4. Go to the Startup tab and click on Open Task Manager.
    Windows 10 continuous, endless reboot
  5. Select the first item on the list, right-click it, and choose Disable from the menu. Repeat this step for all the startup applications.
    Windows 10 reboot loop
  6. Close Task Manager, go to the System Configuration window and click Apply and OK to save the changes.
    Windows 10 reboot randomly
  7. Restart your PC.

Note: If the problem doesn’t appear anymore, you need to enable disabled startup applications and services one by one or in groups until you find the way that is causing the problem.

Once you find the problematic application, you can remove it or update it and check if that solves the issue.

We hope that some of these solutions helped you to solve the restarting problem, if you have any suggestions or comments, please reach for the comments section below.

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