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    Power efficiency problems reported by Win7's powercfg

    Discussion in 'Alienware M11x' started by rm20010, Feb 8, 2011.

  1. rm20010

    rm20010 Notebook Guru

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    My laptop tends to jockey between drawing 8 to 11 W of power when I'm using the laptop for note-taking in class, sometimes with wifi disabled. If it's enabled it's slightly higher.

    I'm wondering if I can do better though. According to Windows 7's powercfg tool, there are a bunch of errors, as you can see here:

    http://dl.dropbox.com/u/14697617/energy-report.html

    I think the USB entries have to do with the webcam. Also not sure about the ACPI_PSD errors.

    I did a clean install and installed the drivers off Dell's page. Am I missing a driver or two that came with the factory image provided by Alienware?

    Oh and for the record, the laptop sleeps and hibernates just fine.
     
    rm20010, Feb 8, 2011
    #1