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Windows 7: 50% CPU, where's the rest gone?


27 Aug 2010   #1

Windows 7 prof x64
 
 
50% CPU, where's the rest gone?

I'm having a weird issue with Realtek driver on my Vaio. It looks sometimes it just uses the 100% of one of the cores in my dual core CPU. I can only detect it when I feel the slowness. And then I sort by CPU utilization in the task manager. One of the processes take 50%. It's really annoying.. Any ideas?


My System SpecsSystem Spec
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27 Aug 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Important things first
Run a complete anti virus scan
download and run malwarbytes
Malwarebytes' Anti-Malware: Malwarebytes
My System SpecsSystem Spec
27 Aug 2010   #3

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Do you by any chance have zonealarm installed? What anti-virus software? Try disabling all third party apps one at a time to see if this is causing a problem. Also install the latest Realteck driver. Please update your system specs so we can be more helpful.
My System SpecsSystem Spec
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27 Aug 2010   #4

Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
 
 

Hello and Welcome !

Download Process Explorer it's like a Super Task Manager it will allow up to expand a process and see which one is taking more Memory or CPU usage. Post us which one exactly is using the CPU.

Hope this helps,
Captain
My System SpecsSystem Spec
27 Aug 2010   #5

Windows 7 prof x64
 
 

dude, i hate antivirus/malware apps. they slow down even worse then the virus itself!!!
My System SpecsSystem Spec
27 Aug 2010   #6

Windows 7 Professional SP1 64-bit
 
 

Dude, you are talking to a group of experts ("experts" being them more than myself). Everyone here knows that what you just said is not true. I could spend an hour explaining everything that is wrong with that statement, but instead I will give an article to read. This article is about spyware, which I consider to be a particularly dangerous form of malware.

Spyware - Wikipedia, the free encyclopedia
My System SpecsSystem Spec
27 Aug 2010   #7

Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
 
 

Quote   Quote: Originally Posted by Romira View Post
dude, i hate antivirus/malware apps. they slow down even worse then the virus itself!!!
I think you have to know little bit more about what Viruses do.

Quote:
Viruses are software programs, and they can do the same things as any other programs running on a computer. The actual effect of any particular virus depends on how it was programmed by the person who wrote the virus.

Some viruses are deliberately designed to damage files or otherwise interfere with your computer's operation, while others don't do anything but try to spread themselves around. But even the ones that just spread themselves are harmful, since they damage files and may cause other problems in the process of spreading.

Note that viruses can't do any damage to hardware: they won't melt down your CPU, burn out your hard drive, cause your monitor to explode, etc. Warnings about viruses that will physically destroy your computer are usually hoaxes, not legitimate virus warnings.
More: What can viruses do to computers?

We would strong recommend to install one so you wont regret in the future. There are lot of AV that has few low foot prints. For instance Microsoft Security Essentials is one that is highly recommend one around there. It free and effective.

Good Luck,
Captain
My System SpecsSystem Spec
27 Aug 2010   #8

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc
 
 

Excellent Capt., my feeling exactly, and I think that we both echo the feeling of most of the membership.
My System SpecsSystem Spec
27 Aug 2010   #9

Windows 7 Ultimate - 64-bit | Windows 8 Pro - 64-bit
 
 

Quote   Quote: Originally Posted by richc46 View Post
Excellent Capt., my feeling exactly, and I think that we both echo the feeling of most of the membership.
That's true
Lets hope he makes the right decision
My System SpecsSystem Spec
27 Aug 2010   #10

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer
 
 

Some users have two virus scanners, which certainly impacts performance. But not to have any is plain suicide.
My System SpecsSystem Spec
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 50% CPU, where's the rest gone?




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