Windows Randomly Shuts Down: 13 Ways on How to Fix It

Fix & Repair Solved issue

Question asked by:

Bowie S.

Issue:

My PC randomly shuts down

I got a big problem now... my PC just randomly shuts down and it is pissing me off especially when I am working. Can you help fix it?
Thank you!
Download Fix Now iolo's System Mechanic® will automatically fix your Windows random shutdown errors, optimize & protect your whole PC.

Facing random shutdowns on your Windows PC can be incredibly disruptive, especially when you’re in the middle of crucial work. This issue, which could stem from various hardware or software problems, creates not just frustration but also impacts productivity. When you’re doing an important task, and suddenly, your screen just goes black – it’s as unpredictable as it is aggravating.

Moreover, it can cause significant data losses for any unsaved work.

Common Reasons Why Your Windows Randomly Shuts Down

Understanding why your Windows 10 PC randomly shuts down is key to finding the right solution. This frustrating issue can be attributed to a variety of reasons:

Hardware Issues: Overheating is a common cause. When your PC’s temperature rises beyond a safe threshold, it automatically shuts down to prevent damage. Problems with the power supply or battery (especially in laptops) can also lead to sudden shutdowns.

Software Glitches: Incompatible or outdated drivers can cause instability. Windows is constantly evolving, and keeping drivers updated is crucial for smooth functioning.

System Settings: Features like Fast Startup and Sleep Mode are designed to improve user experience, but sometimes they can conflict with other system settings or hardware, leading to shutdowns.

Corrupted System Files: If they get corrupted due to malware or other issues, your system’s stability can be compromised.

Overclocking1: Pushing your CPU or GPU beyond their standard limits can cause overheating and subsequent shutdowns. Learn more about CPU throttling and solving its issues here.

BIOS Issues: An outdated BIOS2 can lead to compatibility issues with the operating system and hardware components.

All of these reasons can be troubleshooted and fixed. We’ve combined a total of 13 ways on how to solve this issue — 5 easy ones and 8 more advanced ones.

…But before we continue discussing how to solve a random shutdown in Windows – we highly advise getting Nord VPN – the fastest & safest VPN out there –> claim our exclusive 65% discount by clicking here.

VPN will hide you from hackers & government tracking and secure your PC from online malware (that might be causing your PC issues in the first place).

Windows 10 Randomly Shuts Down

5 Easy Fixes to Solve Random Windows Shutdowns (Time to Complete: ~8-12 mins)

Let’s begin with some easiest-to-implement fixes first. These solutions were tested by our team at Windowsguided and confirmed to be quite effective in most cases.

#1: Check the Power Supply and Battery Installation

Download Fix Now iolo's System Mechanic® will automatically fix your Windows random shutdown errors, optimize & protect your whole PC.

Start with the basics. Ensure your power supply is secure and, if you’re using a laptop, check that the battery is correctly installed. A loose connection or a faulty battery can often cause unexpected shutdowns.

Check laptop battery

#2: Modify Advanced Power Settings

Tweaking your power settings can make a significant difference.

  • Right-click on the Start button and select “Power Options”.
  • Click on “Additional power settings”.
Additional power settings
  • Next to your selected power plan, click “Change plan settings”.
  • Click “Change advanced power settings”.
  • Here, you can adjust various settings, but focus on “Processor power management”. Set “Minimum processor state” and “Maximum processor state” to values that suit your needs.
Processor power management
  • Click “Apply” and then “OK” to save changes.

#3: Disable Sleep Mode

Sometimes, the sleep mode feature in Windows 10 or 11 can cause issues. Try turning it off and see if that resolves the random shutdowns.

  • Press ‘Windows + I’ to open “Settings”.
  • Go to “System” and then “Power & sleep”.
  • Under “Sleep”, set both “On battery power, PC goes to sleep after” and “When plugged in, PC goes to sleep after” to “Never”.
Set to Never
  • Save your changes.

#4: Run System File Checker (SFC) Scan

Running an SFC scan can help repair corrupted system files that might be causing the shutdowns. It’s a simple yet effective tool built into Windows.

  • Press ‘Windows + X’ and choose “Command Prompt (Admin)” or “Windows PowerShell (Admin)”.
Windows + X then Command Prompt (Admin)
  • Type sfc /scannow and hit ‘Enter.’
Type sfc scannow
  • The scan will start; wait for it to complete and repair any corrupted files.

#5: Use Windows Shutdown Assistant

This tool can manage your shutdowns more efficiently, helping to avoid random shutdowns. It also comes with other handy features to manage your PC better.

  • Download and install Windows Shutdown Assistant from a trusted source.
  • Open the program and set your preferences for automatic shutdowns, like setting a specific time or condition.
Use Windows Shutdown Assistant
  • Save your settings, and the tool will manage shutdowns as per your configuration.

8 Advanced Solutions For Fixing Random PC Shutdowns (Time to Complete: ~15-20 mins)

Now let’s see some more advanced ways to fix your random PC shutdowns. If those easy steps provided above didn’t work — try these:

#1: Turn Off Fast Startup

Download Fix Now iolo's System Mechanic® will automatically fix your Windows random shutdown errors, optimize & protect your whole PC.

Fast Startup is designed to reduce boot time, but it can sometimes cause issues like random shutdowns. Disabling it might just do the trick.

  • Open “Control Panel”, go to “Power Options”.
  • Click “Choose what the power buttons do”.
  • Click “Change settings that are currently unavailable”.
  • Uncheck “Turn on fast startup”, click “Save changes”.
Turn off fast startup

#2: Update Outdated Drivers and GPU Drivers

Outdated drivers, especially GPU drivers, can cause a myriad of problems. Keeping them up-to-date is crucial for system stability.

  • Right-click on “Start” and choose “Device Manager”.
  • Expand categories like “Display adapters” and right-click on each device to “Update driver”.
  • For GPU, visit the manufacturer’s website for the latest drivers.
Click Update Driver under Display adapters

#3: Perform a ‘DISM’ Scan

The Deployment Image Servicing and Management (DISM) scan can fix Windows image issues, which might be causing your PC to shut down unexpectedly.

  • Open “Command Prompt” as an administrator.
  • Type DISM /Online /Cleanup-Image /RestoreHealth and press ‘Enter’.
Type dism online cleanup-image restorehealth
  • Wait for the process to complete.

#4: Run Startup Repair

This is a built-in Windows tool that can resolve various boot-related issues that could be causing random shutdowns.

  • Go to “Settings” > “Update & Security” > “Recovery”.
  • Under “Advanced startup”, click “Restart now”.
Recovery options  Advanced Startup  Restart Now
  • After restarting, choose “Troubleshoot” > “Advanced options’ > “Startup Repair”.
Startup Repair

#5: Check CPU Temperature and Cooling System

Overheating can lead to sudden shutdowns. Check your CPU temperature and ensure your cooling system is functioning properly.

  • Use a third-party application to monitor your CPU temperature.
  • Ensure your PC’s fans are working properly and clean any dust.
  • Consider applying new thermal paste if temperatures are high.
Check CPU Temperature and Cooling System

#6: Update BIOS

Download Fix Now iolo's System Mechanic® will automatically fix your Windows random shutdown errors, optimize & protect your whole PC.

This is a bit more technical, but updating your BIOS can resolve compatibility issues that might be causing instability.

  • Check your motherboard’s website for BIOS updates.
  • Download and carefully follow the manufacturer’s instructions for updating.
Update BIOS

#7: Check Disk (HDD) State

Download Fix Now iolo's System Mechanic® will automatically fix your Windows random shutdown errors, optimize & protect your whole PC.

A failing HDD can cause random shutdowns. Run a check to ensure your HDD is in good health.
If you have an SSD (solid state drive) — this can be skipped.

  • Open “Command Prompt” and type wmic diskdrive get status.
  • This will show the health status of your HDD. Look for a status like “OK”.
Type wmic diskdrive get status

#8: Perform a Clean Reinstall of Windows (Last Resort Option)

If all else fails, a clean reinstall of Windows can be a fresh start to resolve persistent issues.

  • Backup your data.
  • Create installation media using the “Windows Media Creation Tool”.
  • Boot from this media and follow the instructions to reinstall Windows.
    If your Windows is not installing from USB — see our guide here.
Create installation media for another PC

Is Your Issue Fixed Now?

Tackling the issue of random shutdowns in Windows can be a bit of a journey, but it’s certainly manageable.

Remember, it’s crucial to understand the root cause – be it hardware overheating, software glitches, or system settings quirks.
We hope that all of these different solutions did the job for you!

I personally recommend utilizing the software solution listed below to automatically address any software-related issues that might be contributing to the random shutdowns of your Windows system.
Take care!

Offer
Download iolo System Mechanic® NowAuto-Fix Random PC Shutdowns now

iolo System Mechanic® — is a patented PC repair tool & the only application of its kind.
It’s an All-in-One tool for your secure and optimized computer! It will fix your drivers, various system errors, and protect you from malware & viruses as well.
The best part is – it is available for a FREE trial!

However, for some more advanced features & 100% effective fixes, you may need to purchase a full license.

If your random PC shutdowns are still not fixed — feel free to reach out to us via email and share your problem.

  1. What is Overclocking? — via Howtogeek.com []
  2. What is BIOS? – via Wikipedia.org []
Other Guides That May Be Useful:
About the author
Iggy Shells
Iggy Shells - IT & PC repair expert

Iggy is the founder of WindowsGuided.com. He’s been involved in custom IT and security solutions for more than a decade.

Now he and his team are sharing their knowledge with the world by helping casual users solve a myriad of different computer issues, system errors, and virus/malware infections.