Wind 10 high CPU usage

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2 Jul 2021
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I have an MSI laptop running Windows 10. Everything has been working fine since setting it up with Windows 10 a month ago or so but recently when I turn on the laptop, explorer.exe uses a quarter of the CPU power. Is that normal? As soon as I click restart explorer.exe it goes down to 0.1% and the fan eases off.

I have tried searching for malware, nothing found. Sfc/ runnow, also checked desktop for any broken shortcut icons etc.

Not sure what to do?

Cheers

Update: on another forum someone said this is a known bug and not to do anything?
 
Thanks everyone, I have done a repair to Windows 10 with an in-place upgrade and touch wood that seems to have resolved the issue. Will keep an eye on it. :)
 
have you gone to windows 11 now with it?
I did a repair to Windows 10 with an in-place upgrade, so basically re-writing the OS back onto the laptop without losing any data and that touch wood has worked as file explorer is back to minimal usage. I am not going on to Wind 11.
 
The issue has come back since restoring the laptop back to factory settings and it's been working fine past two weeks.
 
Done some testing and I think it's only when I plugin an external monitor. Is that normal then for the CPU to be around 22% and power usage to be high plugging into one?

There was an update to nvidia driver and Windows 10 which I installed and am on the move this weekend and had no problems with it as laptop not been plugged in to any external monitors.
 
No, Windows 10 rolled out a big update as well.



The power usage usually depends on the size and refresh rate of the monitor and which graphics card you're using, but in some cases it can increase power consumption considerably. 22% CPU usage due to a monitor is not normal.
Okay, thanks very much. Do you think it is more likely to be the monitor that is faulty or the HDMI lead over the laptop as it's brand new, the laptop and issue only happens with external monitor plugged in?
 
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