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Suddenly slow computer (windows 7)


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#1
ktuck0205

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Operating system: Windows 7 home premium 64-bit
Memory 4096MB
Processor: Intel® Core™ I7-2630QM @ 2.00 GHZ

My laptop was working fine the other day and then suddenly it slowed down. I used Nortons to search for viruses and Malwarebytes, neither program found anything. No changes have been made to the computer to my knowledge. I first noticed issues with chrome & shockwave. I then noticed the lag going even when not using the browser. There seems to also be a delay in typing when a browser is open.

I'm not certain but physical memory seems to be also running high. Total 4076, cached 1619, available 1677 and free 104. Chrome seems to be running the highest usage at 173,000k. I also have had a problem with running nortons unless I restart the computer to run it.

If anyone can help me I would really appreciate it.
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#2
Ztruker

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What does Task Manager, Processes tab show you as far as CPU utilization? Anything sucking up a lot of it?
You can also use Process Explorer to get a better handle on what is using resources.
How does it behave if you boot to Safe Mode with Networking (F8 during boot).
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#3
ktuck0205

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Cpu usage stays between 1% and 7%, physical memory 48%

As for processes Chrome seems to be using the most, it runs 10 processes for just one window being open.

In safe mode the computer cpu usage 1% and physical memory 20%, there is also a considerable more amount of free instead of 104 in safe mode it goes to 2971.

Edit: I also ran the Process explorer, I'm not too sure what I am looking at but it says cpu usage 2.65%, commit charge 29.34% Processes 87 and physical usage 48.79%

Edited by ktuck0205, 21 November 2012 - 12:52 AM.

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#4
Ztruker

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Does it run normally in Safe Mode with Networking?
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#5
ktuck0205

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It runs better in safe mode but still not like it was. It seems to act up the most if a web browser is open, it does not matter if it's IE, Chrome or firefox.
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#6
Ztruker

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You keep saying safe mode, I hope you mean Safe Mode with Networking and using web browsers?
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#7
ktuck0205

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I noticed my last post is a little unclear. It runs better in safe mode. When I was talking about the internet browsers I was talking about normally without safe mode.
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#8
Ztruker

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If it runs better in Safe Mode with Networking, then most likely something is starting at normal boot that is causing the problem.

See here: How to perform a clean boot to troubleshoot a problem in Windows Vista or Windows 7
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