If Windows 11 decides to reboot itself, you may have a serious problem.You could be cut off from an online meeting, lose work progress, or end a gaming session abruptly.
When this happens, you know something is wrong with your computer. Windows may restart due to overheating components, malware infection, or outdated graphics drivers.
If this sounds familiar to you, read on as we guide you through the troubleshooting process.
1. Check your GPU and CPU temperature
If your Windows 11 computer keeps restarting while playing graphics-intensive video games or using design software, your hardware may be getting too hot.Most of the time, it's the CPU or GPU overheating and Windows has to reboot the system to protect the hardware.
Usually, when you run a lot of applications on your computer and use a lot of resources, the hardware overheats.You can check the CPU temperature, and if it looks cool enough, check the GPU temperature too.
If you've noticed that your hardware is reaching high temperatures as soon as you start your computer, you may be dealing with a faulty cooling system.In this case, you should take it to a professional service facility for repairs to avoid any permanent damage.
2. Stop overclocking your computer
If you decide to overclock your computer, you know you're pushing your memory, CPU or GPU hardware beyond its limits.While it may give you better overall performance, it takes a toll on your PC and increases hardware temperature.Especially if you haven't upgraded your cooling system yet.
If your system reboots randomly, you should restore it to its original state by uninstalling any overclocking software.If you don't want to upgrade your hardware, take some time to think about whether overclocking is really worth it.
3. Check the power supply
A faulty power supply, unable to provide stable voltage, can cause your computer to restart itself.Even if you're on an uninterruptible power supply, your computer may restart due to a UPS or battery failure.
If you have RGB lights installed and they seem to be flickering, this may be a sign to upgrade your computer's power supply, as lights are susceptible to voltage fluctuations.Before replacing the power supply, take a look at its wiring to make sure the faulty wiring isn't the cause of Windows 11 randomly restarting.
4. Make sure Windows Update is not the culprit
Every time Windows 11 asks for an update, you have the opportunity to schedule an update.Therefore, your PC may restart itself to install any updates.
Fortunately, you can manually install pending updates or stop Windows 11 updates to prevent the system from restarting automatically.
5. Scan your computer
If your computer keeps freezing and crashing, in addition to restarting itself, you may be dealing with a malware infection.Fortunately, you can use Windows 11's built-in tools to scan your computer.You can do this:
1. Open the Settings menu.
2. Go to Privacy & Security > Windows Security > Virus & Threat Protection.
3. Click Scan Options.
4. If you are in a hurry, you can choose a quick scan, but a full scan will check all files and programs running on your hard drive.
Once Windows has finished scanning, it will notify you of any detected malware, and will tell you if infected files have been deleted or quarantined.
6. Update the graphics card driver
Running an outdated graphics card driver can cause all kinds of problems, including your computer restarting on its own.You can use Device Manager to update it to the latest version and fix the problem.
Press Win + X to bring up the Start menu, select Device Manager.Then, expand the list of display adapters, right-click the driver on the right, and select Update Driver.In the window that pops up, select Search for drivers automatically and Windows will search for and install any available updates.
Sometimes you'll see more than one driver, especially if your computer has both an integrated graphics processor and a discrete graphics processor.So, you can update the drivers for the processor you're currently using, or all of them, to double down on making sure your active GPU is up to date.
If that doesn't work, search the web for your GPU manufacturer and download the driver associated with your graphics card's processor.
7. Run a CHKDSK scan
Windows 11 may randomly restart because a failed storage sector keeps your system from communicating with subcomponents.You can try to fix this by running a CHKDSK scan.
To do this, press Win+S and enter "command prompt", but don't hit enter.Instead, right-click the search result and select Run as administrator.
Once open, run the chkdsk /r [DriveLetter:] command line, replacing [DriveLetter:] with the drive you want to scan.If the command doesn't fix the problem, this may indicate that you need to replace the failed drive.
8. Check for memory problems
If your memory fails, it can cause your computer to restart itself.Fortunately, you can run the Windows Memory Diagnostic Tool to identify any problems.
To do this, open the Windows Memory Diagnostic Tool, click Restart now and check for problems (recommended).Windows will then scan your memory for any errors.
9. Turn off automatic restart
If you are not sure that there is any problem with your system, you can try turning off the Windows 11 automatic restart feature.
1. Start Setup.
2. Go to System > About.
3. From the related link, select Advanced system settings.
4. In the System Properties window, open the Advanced tab and click Settings under Startup and Recovery.
5. Under System failures, uncheck Automatic restart.
6. Click "OK" to save your new system settings.
This isn't a long-term solution, and while you've now prevented your computer from restarting in the event of a system failure, it could lead to more serious problems.
10. Revert Windows to a previous version
If you suspect that a recent system change is causing Windows 11 to restart randomly, you can fix the problem by restoring your computer to a previous state.As long as you have created a restore point for your system, you should be able to use it.
Stop Windows 11 from restarting on its own
As you can see, there are various reasons why Windows 11 might restart on its own.Sometimes you don't have any problems with your system, but the hardware is causing you problems.While it might be difficult to pinpoint the cause, with a little patience, you should follow the solutions above to fix the problem.
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