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Sudden High CPU Usage on laptop


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#1 poptarts

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Posted 31 October 2010 - 05:11 PM

Hi, i'm poptarts, & thank you for welcoming me to BC forums

anyway, I have this problem with High CPU Usage, it goes to 80%-100% and eventually to 100% if I run one or two programs like Google Chrome. It began a couple days ago, and a couple days before that I installed some new RAM. I'm pretty sure it's not a virus or any malware, I scanned my computer with AVG 11 Internet Security. I'm running a Latitude D620, and I have another one (#2). When I switch the internal hard drive to the other one (#2) the CPU usage is fine. The High CPU Usage (#1) one has 2.0 GHz and 2.5gb of ram. I recently installed a stick of 2gb ram in one ram slot and couldn't install another one in the other slot because I accidentally stripped the keyboard screws. It worked fine for a couple of days, and then the high CPU usage came. I tried switching back to the normal 1GB it came with but the problem is still there. The other Latitude D620 has 1.66 GHz and 1gb of ram (#2). I'm wondering why it works fine on that one but not on the 2.0 GHz High CPU Usage one, would a reformat on the hard drive work? running Windows 7 Home Premium 32-bit on #1 and XP Pro on #2. I also ran BIOS Diagnostics and stuff but that didn't really help.

#1 - Latitude D620, High CPU Usage, 2.0 GHz, 2.5 gb of RAM (Windows 7 Home Premium) 32-bit
#2 - Latitude D620, CPU Usage fine, 1.66 GHz, 1 gb of RAM (Windows XP Professional)

shorter version: I have a two Latitude D620 laptops, one of them has high CPU Usage. When I switch the hard drive to the other laptop, the CPU Usage is fine. I'm pretty sure it's not a virus then or anything, what's the problem?

thanks, happy halloween

reese's peanut butter cups

Edited by poptarts, 31 October 2010 - 07:09 PM.


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#2 Broni

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Posted 31 October 2010 - 08:52 PM

Download Process Explorer: http://technet.microsoft.com/en-us/sysinternals/bb896653.aspx
Unzip ProcessExplorer.zip, and double click on procexp.exe to run the program.
Click on View > Select Colunms.
In addition to already pre-selected options, make sure, the Command Line is selected, and press OK.
Go File>Save As, and save the report as Procexp.txt.
Attach the file to your next reply.

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