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Questions tagged [high-cpu-usage]

The tag has no usage guidance.

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System uses almost all my RAM

I am running a Linux Ubuntu(17.10) distro and my system specs are Memory : 7.6 GiB Processor : Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 Graphics : Intel® Ivybridge Mobile GNOME : 3.26.2 OS Type : 64-...
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2answers
1k views

Windows 10 high CPU usage unless task manager is opened

A desktop gadget I am using indicates 100% CPU usage. But every time I open Task Manager to find the cause, it suddenly drops to 10-15%. If i close it, it spikes back to 100%. Also Command Prompt is ...
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svchost relativley high usage after some time

I have Windows 7 Ultimate. sometimes (not always), after about 3-4 minutes that I don't use the computer, I hear the sound of the cpu fan (CPU: 4790K -not overclocked , fan: Deepcool 120mm liquid ...
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Diagnose high CPU on seemingly idle powershell session

I'm finding Powershell is using 20% cpu after a bunch of scripts have run. The script is made up of a bunch of AzureRM modules, posh-git and vssetup modules and a bunch of custom modules (none of ...
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2answers
651 views

Browsers cause high cpu utilization

When I open a webpage, my browser will use 100% cpu, the page will load slowly, video/audio will freeze or sputter and the computer becomes generally unusable. This happens in Chrome, Firefox and Edge....
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1answer
1k views

Explorer.exe taking high CPU usage on Surface Pro 4 - ETL analysis is done

following a very similar thread here - I am posting the screenshot of ETL analysis in Windows Performance Analyzer. EDIT: ETL file is here as RAR file captured on Windows version 1709 OS Build 16299....
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1k views

High CPU usage from explorer.exe shcore.dll!Ordinal247+0xc0

I've been experiencing high cpu usage from explorer.exe in Windows 10 Pro since a while ago, and this specific dll function seems to be the culprit. Any idea what it's for? I couldn't find anything ...
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275 views

Connected Bluetooth device and high kernel time

I have connected a DualShock 4 controller to my Windows 10 machine and after around 30 minutes of usage (or simply leaving it connected) the kernel time on my first CPU core is at ~100% usage. If I ...
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1answer
430 views

Service host: local system (network restricted) HIGH CPU

I tired everything I could find in the web - nothing is helping. Long story short: after some uptime of my system, I'm getting my CPU around 90-100%, because the Service host: local system (network ...
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0answers
498 views

CompaTTelRunner.exe uses almost all cpu

So this has been going on for a while. I will suddenly get 1 or more CompatTelRunner.exe. I am aware of this question and its answers. Why would it be using so much of the CPU and RAM (last time it ...
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2answers
366 views

Windows 8 High CPU usage, windows firewall

I have 15 computers all with the same problem. They all have an idle cpu usage of around 80%. This is straight after a login and persists for around 30 minutes before the problem temporarily resolves ...
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2answers
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Windows 10 - Windows Update and 90+% CPU usage issue

So I've finally updated my Dell E6400 to Windows 10. After a while of not using it I had to take it out of mothballs while my other machine is being repaired. And the expected annoyance happened: ...
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1answer
537 views

Using WPA to diagnose high CPU usage of “system and compressed memory” in Windows 10

Because the computer (ACER Aspire V5-122P) was running slow and was quite messy, I reinstalled Windows 10 and installed all the updates recommended. I also installed Avast and MalwareBytes. It is ...
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1answer
2k views

'System and compressed memory' CPU spiking and causing lag Windows 10

After a random amount of time after reboot (20 minutes to 2 hours), my laptop would have considerable lag, locking up for 2-3 seconds every 6-10 seconds. I tried to follow What is the cause of a high ...
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1answer
66 views

Service host with 4 children eats up to 20% of CPU; what does it doing?

I found, that Service host is eating too many CPU resources: How to know, what does it doing? procexp64.exe shows even less information (no child process list). Shutting down this process causes no ...
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1answer
1k views

Issues with high CPU utilization on a Surface Pro 3

Currently problems being faced constantly is really high CPU demand which is leading to overheating issues in my Surface Pro 3. I have conducted a Power Efficiency Diagnostics Report to understand ...
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1answer
10k views

Windows 8.1 100% Disk Usage by Ntoskrnl.exe

I have a Dell Inspiron 15 with 4 GB RAM, Intel Celeron 1007U 1.50 GHz Dual-Core, running windows 8.1 (x64). Recently, I've been having a problem with high disk usage. I can't say for sure when or why ...
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303 views

Windows GUI unresponsive under heavy load: Give it higher priority?

I'm doing some very heavy computation on a Windows Server 2012 machine. Like, thousands of processes doing heavy stuff. Occasionally, I want to do some administration work and check progress. But the ...
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1answer
453 views

nusb3xhc.sys high CPU usage

Lately, I've been observing that my CPU often have higher load than it should. After digging, I found a very weird and specific problem. The facts : I have a Vaio Z21 (VPCZ21C5E - Core i7 - Win7 ...
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1answer
1k views

Windows 8.1 high cpu load from system idle process

I am running W8.1 on a elder Dell Latitude D830. Now the CPU load is permanent at a minimum of 50%, mostly for the system idle process On my process explorer I can see 55% System Idle process, and on ...
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1answer
674 views

High CPU core usage from System Interrupts [duplicate]

The CPU usage on my AMD Phenom II X4 820 hasn't gone below 25% in days, and I realized that it’s because my 4th core is constantly at 100% load. I have spent quite a while trying to figure out why, ...
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526 views

how do i make pppoe use less cpu ?

The new ISP i switched to uses pppoe. So on my old linux (centos 6) router i decited to install a pppoe client and configure as necessary. I say old because it's a pentium III 850 mhz with 128 MB ram ...
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626 views

How to find the culprit of high sysload on NAS?

I have a QNAP TS-410 NAS, modest little ARM-based box. In the past the sysload of the NAS would be well below 0.5 for all load averages (1, 5 and 15 mins), it would only spike while sabnzbd was ...
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328 views

Very fast Laptop Heating due to very high CPU usage by dwm.exe

My laptop gets heated very fast and when I check the task manager, I find dwm.exe consuming very high CPU (mostly 100%). In the beginning I found the message "The graphic adapter has been stopped and ...
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1answer
1k views

98% CPU load when searching for updates (applydeltarpm)

I'm running openSUSE 13.1 on my laptop and every time the system starts looking for updates, the fan goes crazy and the CPU load gets to over 90%. Using top, I discovered that the process ...
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1answer
1k views

How to increase the cpu utilisation of a process in windows 8

I am doing a project for my college using WEKA, I am classifying a very large text file(300MB). But it is a very slow process. I looked in the task manager and I saw that weka uses only 10% of the ...
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250 views

Samsung Ultrabook Np-530U4C-S01 High Ram Usage

I'm using Samsung Ultrabook Np-530U4C-S01. Here is tech specs. (using Win8, not 7) http://i.imgur.com/qMi1icq.png So when i start my computer it has avg 2.5 GB memory. Here is task manager SS: http://...
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1answer
361 views

Windows defender thread using 100% CPU

The problem is the following - a thread of windows defender hangs and consumes 100% of one core (viewed with process explorer). It happens only when there is InPrivate IE instance running. The result ...