High Process Usage With Wireless ON

December 30, 2006 at 20:48:29
Specs: XP Media Center, AMD Turion 64 2ghz / 1g
I've noticed on my laptop that when i have my wireless enabled that my CPU usage will be from 70-100% when idle. It will still be high if i tell my firewall(zone alarm) to stop all internet access. But the moment i disable the wireless my usage drops to 0-5% when idle. I've watched the process tab on the task manager and the system idle process stays up around 95% at all times. So not anyone process is hogging the processor. I've ran spy bot, ad aware, and anti virus software and other then some tracking cookies nothing comes up.

Any help would be appreciated thanks

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January 3, 2007 at 11:32:27
Could be a bad driver or the actual hardware itself.

Is the card internal or external? Have you ensured that latest drivers have been installed for the card?

Also, when the system is running at 70-100% could you tell me what process is taking up all the CPU time? You can check this in the Task Manager on the Processes tab.

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January 10, 2007 at 05:15:11
It is an internal card that's built in, at the time the process usage is high there is no one program with high usage. Most of the time i actually have about 5% total program usage for the CPU. When i switched on the Show Kernel Times the CPU Usage Graph is consumed by the Kernel almost all of the CPU time.


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January 16, 2007 at 16:52:13
Additional Info:

I've noticed that when I turn the computer on with the wireless switched ON the computer takes forever to load completely and the kernel usage is up around 90%. Now when I boot the computer up with the wireless switched OFF the computer comes right up with no problems and kernel usage is 1% if that. I've checked the laptop manufacture and my wireless drivers are current. Could this be due to the Wireless Zero Configuration service that is shipped with windows? I've got a friend who has a dell laptop and her laptop does not use the windows wireless software, it uses some dell software. Thanks for your help so far. :)

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January 18, 2007 at 18:18:51
I've just tried hooking the laptop up to the network through the Lan card. I'm not having any of the problems that i have with the wireless system. Windows boots right up with no problems and quickly. After everything loads the processor usage drops to 0% to 1% and is running fine. Is it possible that the problems with the wireless system is software or possibly due to the WEP encryption on the wireless. For now i'm going to leave it hooked up with the wired system and use the wireless when i'm away from the desk. Any input would be greatly appreciated. Thanks

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