Windows Shutting Down Automatically? 15 Ways to Fix

Try these before taking it to the repair shop

Does your Windows PC shut down or restart without warning? There are several potential causes behind that. For example, it could be a software/hardware conflict, overheating, or hard drive error. This troubleshooting guide will outline multiple solutions to fix auto-shutdowns and restarts in Windows 10/11.

If your computer shuts down constantly, you mustboot your computer in Safe Modeor use the system recovery options in WinRE to work on the fixes below.

1. Check the Task Scheduler

If your computer shuts down automatically but only at a specific time of the day, that’s probably due to a scheduled task that you or a third-party program created. To check:

2. Disable Fast Startup

Fast Startupis a Windows power management feature that hibernates the kernel (the operating system’s core) to speed up your PC during a cold start. However, it can destabilize the system.

To disable Fast Startup:

3. Update Windows to Its Latest Version

Specific versions of Windows contain severe bugs and issues that cause significant problems with particular hardware and software configurations. Install the latest operating system updates to fix them.

4. Update Your Computer’s Drivers

Obsolete hardware device drivers are a common problem behind a computer that shuts down or restarts randomly. Use a driver updater utility likeDriver Boosterto update your computer’s drivers.

Additionally, use Windows Update to install Microsoft-verified hardware drivers and updates. To do that:

5. Roll Back Drivers

Rarely, new driver updates can introduce issues and break down the system. Microsoft knows that, which is why you have the option to roll them back.

For example, if the problem occurred after updating your graphics card driver:

6. Run the SFC and DISM Tools

Windows comes with two command-line tools—System File Checker and DISM—that can scan and fix system file corruption.

Open an elevated Command Prompt console—typecmdinto the Start menu and selectOpen as administrator—and run the following commands one after the other:

sfc /scannow

DISM.exe/Online /Cleanup-Image /Restorehealth

SFC and DISM scans take a long time to complete. If the progress percentage indicator gets stuck, do not do anything; it should resume eventually.

7. Run CHKDSK

Next, run the CHKDSK (Check Disk) utility to fix HDD/SSD errors in the system partition. Again, open an elevated Command Prompt console and run the following command:

chkdsk c: /r

CHKDSK only runs at computer startup, so pressYto schedule the scan the next time you reboot your computer.

8. Troubleshoot BSOD Errors

If your computer crashes and restarts into a Blue Screen of Death (BSOD) screen, it will continue to repeat that until you diagnose and troubleshoot it with the appropriate fixes.

Start by noting down the stop code related to the BSOD error—e.g.,Memory_Management,Kernel_Security_Check_Failure,Driver_Overran_Stack_Buffer, etc. Then, refer toour complete BSOD troubleshooting guideto learn what you must do next.

9. Check for Malicious Software

Malicious software and potentially unwanted programs (or PUPs) can wreak havoc on the operating system and trigger unexpected shutdowns and restarts.

If the problem persists, you mustscan your computer for potential malware. Windows Defender isn’t likely to do any goodaftera severe infection, so your best option is to rely on a third-party virus removal utility.

For example, the free versions ofBitdefender AntivirusandMalwarebytesare extremely effective at detecting malware. Download either one, run a quick scan, and then follow up with a full scan.

10. Provide Adequate Ventilation

Inadequate ventilation leads to overheating, forcing your computer to shut down to cool itself. For example, if you use a laptop, avoid using it on soft surfaces—cushions, bed covers, etc.—that could plug up its ventilation holes. Also, check and clean the CPU or laptop casing to ensure nothing is blocking the airflow.

11. Perform a System Restore

If the shutdowns and restarts persist, roll back Windows to a time when it did not shut down or restart automatically. Assuming that System Restore is active on your computer, you must:

12. Run a Memory Test

Faulty RAM (random access memory) modules are another reason for random shutdowns and restarts. Windows comes with a built-in Windows Memory Diagnostic tool you can run to scan for bad memory.

For comprehensive step-by-step instructions and alternative methods, check our guide totesting a Windows PC for bad memory.

13. Reset/Update the BIOS or UEFI

Outdated or incorrectly configured motherboard firmware—the BIOS or UEFI—creates stability issues. Check if theBIOS needs an updateor revert it to its default settings.

14. Factory-Reset or Reinstall Windows

If none of the fixes above help, you must reset Windows to its default settings. Back up your PC, and then:

If that fails, you mustremove and reinstall Windows from scratch.

15. Get Professional Help

If the problem persists and your computer continues to shut down and restart automatically, you might be dealing with a faulty hardware component or a defective power supply unit. Visit your local PC repair shop and let a technician take a look at it.

Dilum Senevirathne is a freelance tech writer and blogger with three years of experience writing for online technology publications. He specializes in topics related to iOS, iPadOS, macOS, and Google web apps. When he isn’t hammering away at his Magic Keyboard, you can catch him binge-watching productivity hacks on YouTube.Read Dilum’s Full Bio

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