"Sticking" CPU Problem

  • rickatnight11
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Post 3+ Months Ago

Hello, everyone. I have a new interesting problem that has me baffled. My sister's Dell Inspiron E1505 laptop has had an issue for a few years that we previously thought was a sound issue. Any music or video stutters every second like clockwork, rendering it useless as a media machine. I finally realized that it's system-wide. For some reason the CPU "spikes" every second. Here are the issues I have noticed:
    - Music/Video stutters every second
    - Opening Notepad and holding down a key will repeat the key but stick very briefly at the same rate as the music stutter
    - Looking at the CPU meter in Task Manager shows constant fluctuation of the CPU between 0-18%
I have tried reformatting XP and installing Windows 7, and the problem persists. Attached is a screenshot of the CPU Utilization meter just after booting. At first the CPU is pretty docile, and then it just starts going up-down-up-down. It never stops after that. Help!
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  • Anonymous
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Post 3+ Months Ago

  • Don2007
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  • Don2007
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Post 3+ Months Ago

Start with the event viewer. Are there any error messages there?
  • rickatnight11
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Post 3+ Months Ago

I browsed the Event Viewer, but didn't get anything definitive. I was trying to find an Error, Warning, or even Event that repeated itself, but I didn't see anything. The only Errors were for minor issues such as Google Update. How can I provide more information for you to diagnose?
  • jflynn
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Post 3+ Months Ago

Does it do it when booted into SafeMode?
  • rickatnight11
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Post 3+ Months Ago

It doesn't appear so, although the audio service is disabled in Safe Mode. I copied a video (and VLC) over to it via a flash drive and ran it, and I didn't notice any spikes. The CPU Utilization Meter in Task Manager looked stable, and holding down a letter key in Notepad looked stable.
  • jflynn
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Post 3+ Months Ago

Have you tried to disable the audio device to verify that it is the problem?

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