Solved CPU stuck at 99%

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DPS100

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I have recently been renovating an old computer that I found really cheap. I have replaced the psu, cpu, gpu and RAM. I have installed a clean version of windows 10 from a backup drive, and with minimally few programs the CPU has been sitting at 99% whenever the computer is on. The original model is an HP 700-406 desktop unit, and I am using an AMD Athlon X4 880K cpu (An older unit, but the only FM2+ we have in stock). I don't know what the problem is or how to fix it. It is definitely not any programs running, the computer is still running on a fresh windows 10 with a few benchmark programs. Does anyone have any insight as to what the problem could be?
 

phillpower2

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Welcome to PCHF DPS100,

I have installed a clean version of windows 10 from a backup drive
Can you explain what you mean by the above.

Download Process Explorer which you can obtain from here

Save it to your desktop then run it (Vista or Win7 - right click and Run as Administrator).

View, Select Column, check Verified Signer, OK

Options, Verify Image Signatures

Click twice on the CPU column header to arrange things by CPU usage, this will put the services with the highest CPU usage at the top of the log.

Wait a minimum of a minute then grab a screenshot and attach it to your next reply for us
 

DPS100

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The computer crashed while this was taking place, still got a screenshot
Screenshot (5).png
 

DPS100

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Welcome to PCHF DPS100,


Can you explain what you mean by the above.

Download Process Explorer which you can obtain from here

Save it to your desktop then run it (Vista or Win7 - right click and Run as Administrator).

View, Select Column, check Verified Signer, OK

Options, Verify Image Signatures

Click twice on the CPU column header to arrange things by CPU usage, this will put the services with the highest CPU usage at the top of the log.

Wait a minimum of a minute then grab a screenshot and attach it to your next reply for us
The fresh windows was installing windows from a backup drive I had just created because the computer wouldn't reset manually
 

phillpower2

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Sorry but your screenshot is no good as it does not show us the top of the list.

What type of back up drive, you cannot clean install Windows from anything other than disk or a bootable USB thumbdrive that has an ISO on it that was downloaded from Microsoft and once Windows has been clean installed the drivers for the motherboard have to be installed and starting with the chipset drivers first.
 

DPS100

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Sorry but your screenshot is no good as it does not show us the top of the list.

What type of back up drive, you cannot clean install Windows from anything other than disk or a bootable USB thumbdrive that has an ISO on it that was downloaded from Microsoft and once Windows has been clean installed the drivers for the motherboard have to be installed and starting with the chipset drivers first.
That was as high up as I could scroll, and the USB had a file I had been sent by a microsoft employee
 

phillpower2

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Tip
If using a computer and not a mobile phone, please avoid adding multiple posts while waiting for us to reply to your last, edit your last post to include anything that you wish to add, this will ensure nothing gets overlooked which can sometimes happen if a thread has more than one page, it also avoids filling up folks inbox

Other than Process Explorer there is nothing impacting the CPU usage.

the USB had a file I had been sent by a microsoft employee
Regardless of from where you got the Windows media I suggest that you download your own from Microsoft and then do a proper clean install of both Windows and the drivers from HP and as mentioned previously starting with the chipset drivers, Windows download from here
 

DPS100

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Apr 6, 2019
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Tip
If using a computer and not a mobile phone, please avoid adding multiple posts while waiting for us to reply to your last, edit your last post to include anything that you wish to add, this will ensure nothing gets overlooked which can sometimes happen if a thread has more than one page, it also avoids filling up folks inbox

Other than Process Explorer there is nothing impacting the CPU usage.


Regardless of from where you got the Windows media I suggest that you download your own from Microsoft and then do a proper clean install of both Windows and the drivers from HP and as mentioned previously starting with the chipset drivers, Windows download from here
Alright, I finally got the new version of windows to install. I was having some problems where the PC would update during an install, but anyways a new problem has come up. This was happening before, but I am getting a bluescreen saying Kernel Security Check Failed. This has happened before on this computer, and I have previously fixed it by getting new parts. Any idea what went wrong?
 

phillpower2

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Have you installed the drivers for the MB and starting with the chipset drivers first, it is important that you do not let Windows download and install any drivers until you have manually installed the HP drivers yourself, Windows can sometimes download incompatible or bad drivers and cause all sorts of problems.

Have you checked the Device Manager to see if there are any red Xs or yellow ! exclamation marks against any hardware.

1. Copy any dmp files from C:\Windows\Minidump onto the desktop.
2. Select all of them, right-click on one, and click on Send To> New Compressed (zipped) Folder.
3. Upload the zip folder using the Attach button, bottom left of the dialogue input box
 

DPS100

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Got the minidump, and computer has been running okay for a while now, but the cpu still maxes out with 1 or 2 pages open at a time. At this point i'm thinking about just using the old processor seeing that it runs faster than the new one.
 

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phillpower2

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EpicGamesLauncher.exe is flagged up in the crash dmp but I suspect that the problem is with the processor not being supported by the motherboards HP BIOS, apart from the high CPU usage being reported this would also explain the security warning as the AMD CPU has Enhanced Virus Protection, what this is explained here

Swapping the previous CPU back in would be the correct course of action as you are unlikely to find a HP BIOS upgrade for the MB that would allow the stable use of the Athlon X4 880K, sorry that we cannot provide a remedy for you.
 

DPS100

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Yeah, I've been having problems installing unreal engine 4. Anyways, thanks for your help!
 

phillpower2

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Did a comparison check between the two CPUs here and other than the 880K being marginally faster (probably because the 7700K has integrated graphics) the performance of both is remarkably similar, I wouldn't have gone to the trouble of swapping the CPUs tbh.

You are welcome btw :)
 
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