How To Fix Windows PC Randomly Restarting

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Experiencing random restarts on your computer? You’re not alone. Many Windows 10 and 11 users have been grappling with this issue for a while now.

Random computer restarts can be caused by various factors, such as issues with the power supply, faulty components, or even a virus. Whatever the cause, dealing with sudden restarts can be frustrating.

If you’re tired of your computer randomly restarting, check out our guide below. We’ll walk you through simple steps to help you fix the issue.

While Windows 11 boasts a high-grade software architecture, it’s not flawless. Some users may encounter random restarts without warnings or blue screen of death (BSOD) errors. This issue is more prevalent among users with older processors.

If you’re facing random restarts on your Windows 10/11 computer, there are numerous methods you can try to fix the issue. Here are several things you can explore:

• Update your drivers
• Check for hardware issues
• Run a virus scan
• Perform a clean boot
• Reset your PC
• Check your power supply

How To Fix Windows PC Randomly Restarting

To resolve random restarts, go through this checklist to rule out potential issues one by one:

1. Check your power supply and connections. You could be dealing with trouble as simple as a loose cord or too much dust impeding electricity, but you could also be dealing with an insufficient adapter, wall outlet, or PSU. Make sure your PSU is rated to handle the wattage of all your PC components — NVIDIA’s RTX 4090 graphics card can pull as much as 450W by itself, never mind your CPU. An upgrade may be necessary.
2. Watch for overheating, and improve cooling where possible. Use tools like Windows Task Manager to monitor temperatures, and ensure your computer is both clean (inside and out) and well-ventilated. If things seem unexpectedly hot for any reason, you might point an external fan at your PC to help. If you have a tower case, consider upgrades like liquid cooling or more internal fans.
3. Install available software updates. By that, we mean wherever possible, not just those in Windows Update. If your machine has a card from AMD or NVIDIA, for instance, use its native Windows app to update graphics drivers.
4. Run a malware scan. You can perform free malware scans via tools like Windows Security or Malwarebytes. While we’re at it, you should probably switch on Windows Security’s firewall and real-time protection options if they were previously off.
5. Uninstall any new apps or hardware if restarts began around the same time you installed them. This doesn’t make sense with a completely fresh PC, naturally.
6. Open up your PC and check for damage if you’ve tried all of the steps above without any luck. You’ll probably have to buy a replacement part if you’re not skilled in PC repair, and in the worst-case scenario, it might be time for a new computer.
7. Reset or reinstall Windows. A reset is preferable since it should keep some files and settings intact, but you might be forced to try the nuclear option if problems persist. Back up important files to the cloud or an external drive.

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