i7-2600k High CPU Usage

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Bubbles249

Reputable
Jul 27, 2015
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4,510
For the last two or three months my PC performance has fallen to an all time low. My CPU usage is always too high and programs like Firefox and Google Chrome can cause it to go up to around 70-80%. I've been looking for solutions online for a while but I haven't found anything that's really helpful. I'd appreciate any answers.
 
Solution
Karsten75
First, suspect your PC of being infected by Malware.

If you really want to scan a computer you don't want to scan it from within the infected OS.

You need a scanner that will boot the computer without starting Windows, or you need to remove the drive ans scan it as a slave connected to a different computer.

Windows Defender Offline - http://windows.microsoft.com/en-US/windows/what-is-windows-defender-offline

AVG Rescue CD - http://www.avg.com/us-en/avg-rescue-cd-download

Avira Rescue CD - http://www.avira.com/en/download/product/avira-antivir-rescue-system/product/avira-antivir-rescue-system/product/avira-antivir-rescue-system

Kaspersky Rescue Disk - http://support.kaspersky.com/faq/?qid=208282173

It is also always good to...
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Karsten75

Karsten75

Judicious
Oct 15, 2009
6,909
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First, suspect your PC of being infected by Malware.

If you really want to scan a computer you don't want to scan it from within the infected OS.

You need a scanner that will boot the computer without starting Windows, or you need to remove the drive ans scan it as a slave connected to a different computer.

Windows Defender Offline - http://windows.microsoft.com/en-US/windows/what-is-windows-defender-offline

AVG Rescue CD - http://www.avg.com/us-en/avg-rescue-cd-download

Avira Rescue CD - http://www.avira.com/en/download/product/avira-antivir-rescue-system/product/avira-antivir-rescue-system/product/avira-antivir-rescue-system

Kaspersky Rescue Disk - http://support.kaspersky.com/faq/?qid=208282173

It is also always good to have a utility boot CD on hand that contains tool other than virus/malware removal. These are all good ones:

Hiren's Boot CD - http://www.hirensbootcd.org/download/
SystemRescue Cd - http://www.sysresccd.org/Download
Trinity Rescue Kit - http://trinityhome.org/Home/index.php?content=TRINITY_RESCUE_KIT_DOWNLOAD
Ultimate Boot CD - http://www.ultimatebootcd.com/download.html

For scanning within Windows:

Gmer - http://www.gmer.net/

Rootkit Revealer - http://technet.microsoft.com/en-us/sysinternals/bb897445.aspx

TDSS Killer - http://support.kaspersky.com/faq/?qid=208283363

Hijack This - http://www.bleepingcomputer.com/download/hijackthis/

Rkill - http://www.bleepingcomputer.com/download/rkill/

Malwarebytes - http://www.malwarebytes.org/

Combofix - http://www.bleepingcomputer.com/download/combofix/

Linux Live CDs:

Ubuntu - http://www.ubuntu.com/download

Knoppix - http://www.knopper.net/knoppix/index-en.html

Also, remember to ALWAYS write a new MBR, and keep in mind that there are "infections" that no tool is going to detect or cure. For example, there is Malware that rewrites the DNS entries on the ROUTER, which causes all Google searches to be redirected. No matter how many times you scan the computer it won't detect the problem that is on the router.
 
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