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Solved!

CPU usage 100%

HP Recommended
HP 15-F233WM
Microsoft Windows 10 (64-bit)

Hi. 

 

My father in law bought this laptop and from the very start it was running very slow, he had problems with watching a movie or listening to music. I knew what was going on because when Win10 was a new system it was very common that the CPU was at 100 percent and was slowing the thing down a lot, but I never told him because I hate his guts. Three years later he gives me this because he used it just a few times and he doesn't need this. First thing I do is formatting the whole hdd and going with a fresh install of Win10. Nope, CPU is still at 100 percent. I do a few tricks, like disabling SysMain and Windows Search in Services. Still the same. I download the HP tool to detect errors, all tests are green. What to do next?

 

Edit: I've also updated the BIOS

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@Khrushchev 

You did a fresh install of Win10 -- so you already have your answer -- which you previously mentioned yourself!

 

With a Win10 PC, you're going to experience a variety of problems not typical of the older PCs.

First is sluggishness. You may experience a very slow PC at times because Windows Update (WU) is hogging your PC, searching for, downloading, and installing updates -- to bring your PC up to the most current version of Windows. This can also contribute significantly to high processor temperatures, as it is being heavily used.

Second is fan noise. That's directly related to fan speed, which is the result of processor heat, and WU is known to drive up the processor load -- sometimes to 100%. That can cause the fan to run loud and continuous for some time.

Third is disk usage. WU can easily force the disk usage to 100% and and keep it pinned there for some time. That's because it writes WU files to the drive, then it turns around and reads them, then it overwrites existing Windows System files. All of that takes a lot of disk usage to complete.

These processes are compounded by Win10 because new Win 10 patches coming out nearly every Tuesday. Since you can't stop Updates like you did with Win7, this means you're going to get updates, regardless of what you do.

To find out what version and build of Win10 your PC is running, do the following:
1) enter "cmd" (without the quotes) into the search area and select the Command Prompt option
2) enter "winver" into the command window (again, without the quotes)
3) The most current Win10 versions as of 3/17/20 are the following:
a) v1803: Bld 17134.1399
b) v1809: Bld 17763.1131
c) v1903: Bld 18632.752
d) v1909: Bld 18363.752.

If yours is older than that, most likely WU is hogging your PC trying to update it.

Some folks have been told that resetting your PC will fix this. but, if you reset your PC, you only make matters WORSE! Why? Because you will reset Win10 back to the original version that came preloaded on the PC and that will restart Windows Update all over again.

To disable WU temporarily, do the following:
1) Enter "services" in the search area (again, without the quotes)
2) When the window opens, scroll down until you see Windows Update
3) If it say Running under status, that indicates that WU is running
4) To change that, double-click on that task, select Stop under the Service status, and then Apply
5) That should stop WU -- and you should see an immediate improvement in performance.

If not, then WU is not the problem.

WU will restart itself automatically later on, so you basically have no choice than to bear with it until it finishes.

***If my post helped, click the White thumbs-up symbol to say thanks***

***Please mark Accept As Solution if my post solved your problem***

I am a volunteer and I do not work for, nor represent, HP
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There were some updates, after installing all of them my version is v1909: Bld 18363.752

 

And now when the computer is idle, CPU is low, but when I do anything it goes 100%

 

I have an even older laptop and it works much better. 

 

Hard drive is not the issue, only the CPU is 100%

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@Khrushchev 

OK, then what I would like to suggest is that you consider disabling Services you do not need.

 

See if any of this helps:  http://www.blackviper.com/service-configurations/black-vipers-windows-10-service-configurations/

 

I have used these tweaks and it's cut my CPU usage down to 5% when idle.

 

 

***If my post helped, click the White thumbs-up symbol to say thanks***

***Please mark Accept As Solution if my post solved your problem***

I am a volunteer and I do not work for, nor represent, HP
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Okay, so I solved the problem the best way I could think of.

 

This CPU is just bad. I don't know why it's even in this laptop with Win10 pre-installed, and not few years earlier with Win 7. Even an i3 would work better here. It's not fit for even the simplest tasks. So I did the only thing that could improve the experience with this hardware. I've installed Linux. And if anyone stumbles upon this topic with similar problems I would recommend you do the same.

 

But anyway thanks for trying to help me. 

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