Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: Why is my CPU idle speed at 50%

15 Jul 2009   #1
mustangman16

Windows 7 Build 7229 x86
 
 
Why is my CPU idle speed at 50%

I've noticed some slow performance from my computer lately and i restarded my computer and let it sit and idle for a few minutes and the CPU was hovering around 53% when it used to be 6-10%. task manager->processes shows dwm at 15k and explorer at 10k and everything else significantly lower. So why the high cpu at idle?

-stang


My System SpecsSystem Spec
.
15 Jul 2009   #2
Brink

64-bit Windows 10 Pro
 
 

Hello Stang,

You might check in Resource Monitor under the CPU tab to see what is using up the CPU to hopefully help ID the culprit.

Hope this helps,
Shawn
My System SpecsSystem Spec
15 Jul 2009   #3
mustangman16

Windows 7 Build 7229 x86
 
 

Thanks Shawn,
good idea i found the culprit: SearchFilterHost.exe
Any idea what hes doing?

-stang

edit: +1


Attached Thumbnails
Why is my CPU idle speed at 50%-capture.png  
My System SpecsSystem Spec
.

15 Jul 2009   #4
zone23

Windows 7 X64
 
 

Quote   Quote: Originally Posted by mustangman16 View Post
I've noticed some slow performance from my computer lately and i restarded my computer and let it sit and idle for a few minutes and the CPU was hovering around 53% when it used to be 6-10%. task manager->processes shows dwm at 15k and explorer at 10k and everything else significantly lower. So why the high cpu at idle?

-stang

Guessing I'd say indexing, searching, defragging, or windows defending. I would give it about 10-15min see if its the same. I wouldn't reboot right away because if it is doing something you will have to start all over.

I use process explorer to find out whats going on.
My System SpecsSystem Spec
15 Jul 2009   #5
Brink

64-bit Windows 10 Pro
 
 

Quote   Quote: Originally Posted by mustangman16 View Post
Thanks Shawn,
good idea i found the culprit: SearchFilterHost.exe
Any idea what hes doing?

-stang

edit: +1
This is most likely the Index running in the background updating itself. However to be safe, I would recommend to run a thorough antivirus (ex: Avast Home Edition) and a malware (ex: Malwarebytes) scan to make sure it was not some form of virus or malware.
My System SpecsSystem Spec
15 Jul 2009   #6
mustangman16

Windows 7 Build 7229 x86
 
 

How long should i let it eat up my cpu performance? I wanna just end process on the damn thing.

-stang
My System SpecsSystem Spec
15 Jul 2009   #7
Brink

64-bit Windows 10 Pro
 
 

As a test, you can disable the Index to see if that is it or not. It will not hurt anything to do so. You can also kill that process without problems, but it may just restart later if it is the Index and it is still enabled.
My System SpecsSystem Spec
16 Jul 2009   #8
Mooman

 
Mooman

Yeah, I was having the same problem for a few days. CPU was running hours and hours at 56%. What it is doing is building an index so search runs faster. It is suppose to run in a low priory mode, but it doesn't. It will kick in at odd times like when your doing something CPU intensive, like encoding a DVD.. I'm coming from XP and skipped Vista all together, so this indexing thing was new to me. During my research I found that Vista had the same type of problem. Ending, or suspending the task in Task Manager will take care of it for a short while... BUT IT COMES BACK.

This what I did to take care of it.... Go to Control Panel, Indexing Options. Go to modify and you will see a list of items being indexed. Un- check all folders (I left the start menu checked). Tell it to delete and rebuild the data base. I will run for a short while and be done. Back down to low CPU usage.

I went to Google and downloaded their Desktop which will build a search index with little fuss. Seems to work like a champ, however I've only been using it for a short time. Time will tell Anyway hope this helps.... I was going nuts for some time trying to figure it out........
My System SpecsSystem Spec
17 Jul 2009   #9
darkassain

Windows 7 Ult x64(x2), HomePrem x32(x4), Server 08 (+VM), 08 R2 (VM) , SuSe 11.2 (VM), XP 32 (VM)
 
 

you can also run from an elevated command prompt:

Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator

from there type this command:
Code:
sc stop wsearch
this stops the service...
if you want it to not ever start again then type in the same command prompt
Code:
sc config wsearch start= disabled
and that should take care of it...
My System SpecsSystem Spec
17 Jul 2009   #10
Mooman

 
Mooman

Well, I didn't want to completely disable the search. That's why I tried to find another way. Seems that it did fix my problem.

I'm going to back pedal on advice of installing Google DeskTop. I was having a problem with Windows Update. Downloaded updates would not install. Got an unknown error code. Found some information at the following link that took care of the problem. Uninstalled the Google DeskTop and another problem bites the dust!!

WindowsUpdate_80070539 error
My System SpecsSystem Spec
Reply

 Why is my CPU idle speed at 50%




Thread Tools




Similar help and support threads
Thread Forum
Display goes dark after 5 min idle; set to turn off after 30 min idle
My display turns off (goes to black screen) after 5 minutes idle, even though I have display set to turn off after 30 minutes idle and the computer to sleep after 1 hour idle (this was done under Power Options in the Control Panel). This just started after the last big Microsoft updates were...
General Discussion
Why does my core speed up at idle?
I'm starting to do some overclocking with my core i5 750 and ASUS P7P557D Pro according to http://www.legionhardware.com/articles_pages/intel_core_i5_750_overclocking_guide,3.html"]THIS TUTORIAL So far I set the DDR3 frequency to 1600 and increased the BCLK frequency to 144MHz. The ...
PC Custom Builds and Overclocking
Speed test gives vey good speed but down speed is just 2-3 kb
guys please help me , it happens when ever i want. i speed test from speedtest.net and i get speed 0.89 mbps ( which is good for me) but if i download something , down speed is 2 kb. if i play a video it buffes so slowly that it takes ahour. 1 thing more, this happened few days ago on my...
Network & Sharing
BSOD - Crashes while computer idle/not idle (Unpredictable)
Windows 7 Enterprise 64bit Clean installation to windows 7 from Windows XP professional Hardware 18 months old OS installed 2 weeks ago I am currently facing the lovely BSOD error. The computer was recently upgraded from windows XP to Windows 7 enterprise 64bit , this was a fresh...
BSOD Help and Support
Computer Bottleneck- HDD - SSD. giving data speed to proccessing speed
Through the windows experience im at 7.8's / 7.4's... with my hdd at 5.9. looking at getting a ssd to level everything up.... but what i dont know is... how does the read/write speeds translate into processing. what read speed is equal to the rest of my rig? I just dont know how it translates...
Hardware & Devices
Download speed is limited, but upload speed is fine
Hi everyone, At first I noticed a slow down with my ISP (Verizon FIOS) from 15mb/s to 6-7mb/s, but the upload speed is unaffected. So, I called my ISP they told me could be an issue with the Windows that I am using. Then I called MS regarding the network issue,...
Network & Sharing


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd

All times are GMT -5. The time now is 17:40.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App