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Windows 7: Troubleshooting heavy disk activity

12 Jan 2011   #1
SailingNut

Windows 7 Ultimate x64
 
 
Troubleshooting heavy disk activity

Hi all,

I'm seeing some pretty heavy disk activity on my machine and I'm wondering what methods others out there use to troubleshoot a situation like this.

I've tried using task manager and adding the IO stats so that I can sort based on that, but that does not seem to work very well.

TIA!


My System SpecsSystem Spec
.
12 Jan 2011   #2
OldMX

Microsoft Windows 10 Professional / Windows 7 Professional
 
 

Process Explorer and Process Monitor...both freeware from microsoft.com
My System SpecsSystem Spec
12 Jan 2011   #3
MadHacker

Windows 7 Professional 64 bit
 
 

Ctrl+Shift+Esc > click the performance tab > click on resource monitor. in the disk section you will get detailed information on which files are being read/written to.
My System SpecsSystem Spec
.

12 Jan 2011   #4
Hopalong X

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

Type Resource Manager in Start Search bar click it to open. Click on disk tab.
Now you can see what is running.
Click memory tab and see what resources are being used there also.
Mike
My System SpecsSystem Spec
12 Jan 2011   #5
SailingNut

Windows 7 Ultimate x64
 
 

Thanks for the suggestions!

Now for what I consider to be really odd. The process doing all of the disk activity is Explorer.exe! I'm not copying any files or anything. I do have an explorer window open, but would not expect it to be hammering the drive just sitting there.

Any suggestions?
My System SpecsSystem Spec
12 Jan 2011   #6
Hopalong X

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

It is probably indexing but not sure. It should be done by now.

Download and install Malwarebytes

You may have a Trojan or other bug in the system.

Downnload, install, use the update tab and run a full scan.
Delete anything found when prompted.

When it is done a log will pop open in Notepad. Save to desktop and upload with your next post.
Screenshots and Files - Upload and Post in Seven Forums

Mike
My System SpecsSystem Spec
12 Jan 2011   #7
SailingNut

Windows 7 Ultimate x64
 
 

Hi, I didn't bother attaching the file since it's small. It says nothing found, so that would not seem to be the problem. Find the results below:

Malwarebytes' Anti-Malware 1.50.1.1100
www.malwarebytes.org
Database version: 5507
Windows 6.1.7600
Internet Explorer 8.0.7600.16385
1/12/2011 1:47:16 PM
mbam-log-2011-01-12 (13-47-16).txt
Scan type: Full scan (C:\|)
Objects scanned: 341859
Time elapsed: 48 minute(s), 27 second(s)
Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0
Memory Processes Infected:
(No malicious items detected)
Memory Modules Infected:
(No malicious items detected)
Registry Keys Infected:
(No malicious items detected)
Registry Values Infected:
(No malicious items detected)
Registry Data Items Infected:
(No malicious items detected)
Folders Infected:
(No malicious items detected)
Files Infected:
(No malicious items detected)
My System SpecsSystem Spec
12 Jan 2011   #8
SailingNut

Windows 7 Ultimate x64
 
 

UPDATE: I used resource monitor like hopalong x suggested and now I see that system seems to be a big "user" of disk I/O. It's writing quite a bit of information.
My System SpecsSystem Spec
12 Jan 2011   #9
Golden
Microsoft MVP

Windows 7 Ult. x64
 
 

Mmmm....in Resource Monitor, place a tick in System, then expand the list as shown in the image. Scroll through the files shown.....do any appear suspicious to you? Can you list the files, and perhaps a trained eye could spot potential problems.........


Attached Thumbnails
Troubleshooting heavy disk activity-capture.png  
My System SpecsSystem Spec
12 Jan 2011   #10
MadHacker

Windows 7 Professional 64 bit
 
 

If you have recently installed windows, the disk activity you're seeing is probably normal and will decrease after indexing, pagefile allocation, and updates are complete.
My System SpecsSystem Spec
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