Why is my PC still running after shutting it down?

October 29, 2025 5 answers
Asked by CuriousCoder92
I've encountered a strange issue with my PC. Last night, I turned it off before going to bed, but it seems to still be running. The RGB lights are illuminated, and the fans are active, although my monitor is off. Pressing the power button has no effect, and I'm hesitant to just unplug it unless it's absolutely necessary. What could be causing this, and how can I resolve it?

Answers

PCGuru77
When you shut down your PC, make sure you go through the Start menu and select 'Shut Down.' If Fast Boot is enabled, Windows may try to hibernate instead of fully shutting down. You can open a command prompt and type `powercfg -a` to see if Fast Boot is listed, indicating availability. If it's there, a corrupted hiberfil.sys could be the issue. You can disable hibernation temporarily, and then re-enable it to regenerate the hiberfil.sys file.
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PowerMasterX
It might be that your PC went into sleep mode due to your power button settings. Check the additional power settings in your control panel and make sure the power button is configured properly.
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HelpfulHarry
Just a heads-up, if you end up messing with the hiberfil.sys file, you can check if it exists by doing `dir c: /a:sh`. If you see it, disable hibernation with `powercfg -h off`, and then re-enable it with `powercfg -h on`. This can potentially solve the issue!
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TechWhiz42
Try holding down the power button for about 5 to 10 seconds. This should force the PC to shut down. It's not ideal to do this regularly, but it can help in situations like this.
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SystemAnalyst23
This can be a common occurrence. Disable options like ErP or Wake on LAN in your BIOS settings. If the problem persists, consider turning off Fast Startup in Windows.
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