Windows computer restarts without warning: Resolved Here
Updated On August 17, 2021 | by Austin

If a Windows-based computer restarts or reboots without warning or it automatically goes into a reboot loop, you first need to understand what is causing the issue. There are numerous reasons that can lead to this error such as overheating, hardware issues, Windows update, and the “Stop error”.
How to fix “system restarts without warning”
First, you need to lookout for the reason that is leading your device to sudden restarts. If you can find the Blue Screen error or Stop error on your device, this can be the triggering factor. So, to be sure about the errors first read the error code, and do the troubleshooting accordingly.
- On your Windows 8.1/10, go to System.
- Click on “Advanced system settings” and then “Advanced” tab.
- Select Start and Recovery followed by Settings
- Now, unselect/uncheck the Automatically restart box and tap on OK and Exit
- If the Windows crashes due to the Stop Error, the system won’t restart. However, you will receive the error message on your screen using which you can fix the error.
Restarting due to Hardware Failure:
The hardware failure can be a big reason for the automatic reboots. The RAM, hard drive, Overheating, Power supply, Graphic card, and External devices, or it can be due to BIOS. So, make sure that you check for the errors, fix it and then check that your computer restarts again.
Restart every time when Windows update:
If Windows is stuck in an endless reboot loop, open the Safe Mode and open the Advanced Boot Options. Now, open the command prompt, system restore or Automatic repair.
Look for the Windows is stuck in a reboot loop after Windows update and Windows 10 users will get Your PC will automatically restart in one minute.
The same can be done by using the Registry Editor.
Automatic reboots due to drivers issues:
If you recently update your device and the Windows restarts without warning, you need to fix the Driver issues. Or you can simply update the drivers if required.
Scan your device for virus/malware:
Malware or virus infections can cause the sudden reboot on your device and affect the workflow. So, one scans the device for any malware or virus and deep clean the system for fixing the discussed issue.
Fix issue with the operating system:
If the same issue is still bothering even after trying the all above-listed troubleshooting methods, you need to check your operating system for any fault. To fix the issue, you can try the below-given method:
- First, reboot your computer, and then access the CMOS setup, during the boot process.
- After you enter to CMOS setup, do not touch it for few minutes.





