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ZBook 14U G5/Win 10 64-bit - Process "System" has high CPU usage

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ZBook 14U G5
Microsoft Windows 10 (64-bit)

Hello,

 

Recently my system is getting slowed down by a process called "System". This processes CPU usage ranges from 15% to 40%:

2020-08-05 13_40_17-Window.png

 

Using a guide from superuser.com I analyzed this process using Windows Performance Analyzer. It seems the high CPU usage comes from amdkmdag.sys:

2020-08-05 11_06_08-Window.png

 

Therefore I updated my graphics drivers (Intel & AMD) and the problem was gone at first. However, the next day the problem reappeared. Then I updated my drivers using HP SoftPaq Download Manager but that also didn't fix the problem. Then I uninstalled all graphics drivers and downloaded and installed the drivers from the HP support site, which didn't help either.

 

Has anyone an idea how to fix that?

 

PS: I also use a HP USB-C universal dock with a second screen connected to it by DisplayPort. I also reinstalled the drivers for the dock. However, the process still has a high CPU usage, when the notebook is not connected to the dock. Therefore I don't think the problem is related to the dock.

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I have the same problem with my HP zbook 14U G5, "system" process is using around 20% of my CPU, I've updated all my drivers and contacted HP customer service but still have the issue.

 

This is really annoying and if someone has a solution please post it here.

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I have a solution. I installed the latest AMD graphics driver from amd.com and now the CPU usage is back to normal again.

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@OILKo: Which drivers did you install?

 

I installed the Radeon Pro Software for Enterprise 20.Q3 (8/11/2020) for Win 10 64-bit from https://www.amd.com/en/support/professional-graphics/radeon-pro/radeon-pro-wx-x100-series/radeon-pro... . At first, the CPU usage normalized but after a few reboots the CPU usage went back up.

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Unfortunately, you're right. My solution is only temporary until the next computer restart but if the CPU usage is high after restarting you need to disable and enable the GPU in device manager and all is good again.

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Dear Mods, why has this topic been moved to Notebooks > Boot? This is certainly not a boot issue.

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I have the same issue, what I did was the same thing, uninstall de AMD drivers and re-install them based on latest drivers of AMD web site (20Q3). What I found out, is that when I power-on the first time my laptop the CPU goes up to 20% aprox. (let all the process came up) then I restart it and after that the System process remains very low 0.1% - 3%. Also I modified the "Power & Sleep" setting so the laptop never go to "sleep", because I found out that after "sleep" the system process went again up to 20%. Its very annoying having to restart the laptop, but until now is the best work-around that I had found. If someone find some fix please let us know.

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