Win10 Disk Running 100% Most of the Time

[JohnInLondon]

I've read dozens of posts on here and still not found an answer. I've delayed programs on startup. I've cleaned with defrag. I'm up-to-date on downloads/updates. I've disabled Nortons. Nothing works. It's random that my disk will run at 100%, sometimes for 5 mins sometimes over an hour. It locks up what remains a reasonably high-spec Dell laptop. This post from another frustrated Windows customer is EXACTLY where I am at. I don't want to be directed to dodgy third party apps to install. I want Microsoft to work out what's wrong and fix it in its main product. That so so many other customers ha

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[Desandu Hettiarachchi]

You can examine what uses your Disk 100%, by the Task Manager. You can search for the Task Manager, or by pressing this Key Combination - (Ctrl+Shift+Esc). If 100% of the Disk is used by an Unknown Application, disabling the Antivirus isn't a Good Option. There might be a Virus on your Computer. Or, if a System File uses most of the Disk, updating your system isn't a Good Option. Downgrading is the Best Option if your computer doesn't support Windows 10. Try Resetting your PC, or Downgrading to Windows 7...!

Can I please know your PC's;

BIOS Version/Date,
Processor,
Ram Size,
Virtual Memory Size,
& Windows Version (Ex: 20H1, 21H2...)?