Windows 10: 'System' process high CPU usage
'System' process high CPU usage
Since the past 3-4 days the process called 'System' has been constantly using approximately 35% of my CPU. The usage is pretty much constant all the time. Below you can find screenshots from task manager, resource monitor and process explorer.
In the past I've never seen this, leaving the PC idle dropped the usage down to almost zero, now the CPU is running at full clock 24/7, heating it up ~55C, which is mildly undesirable.
Attempts done so far to fix the issue, none has worked:
- Waiting. I leave the PC to run overnight, but it does not seem to help it.
- Restarting, done multiple times, no effect whatsoever.
- sfc /scannow, nothing found.
- Full virus scan, nothing found.
- The update settings has been set already to not to receive from other pc's. All updates are installed what windows update has to offer.
Acer VN7 laptop, running Win 10 Home 64bit. HW: i5-6300HQ, 16GB, GTX960M. All drivers up to date.
Hi, you'll need to do some analysis e.g.
High CPU utilization by process
You can also try a process of elimination - does this happen after a clean boot/in safe mode?
If you can find a situation when it does not occur you may be able to work from there.
The issue has seemingly self-repaired, at least for now. I tried to reinstall all the drivers I could, but nothing helped. I waited for another X days due to not having much clue what to do. Eventually I found that the Acer care center or whatever was offering 2 updates to the thunderbolt drivers, which I tried to install. The first one installed ok, but the second one keeps failing with the message "part1 must be installed," even it is. After that failed attempt and several more restarts, the situation is back to normal. For now, that is.
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This is my first time i post on TenForums.
Here is my laptop specification:
- HP Pavilion g4
- Intel Core i3 2.2 GHz
- Radeon 6470m (but somehow got 7400 driver and worked) plus Intel HD 3000
- Windows 10 of course
- 2 gigs ram
in Task Manager, the "System" sometimes starts eating 14~20% CPU and that persists until a reboot.
"System interrupts" (which is a pseudo process?) seems to do the same.
It doesn't happen from boot, and I don't know what triggers...