help with DPC latency
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  1. #1
    Tech Mentor Dj.You.S.Bee's Avatar
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    Default help with DPC latency

    basically my question is if its safe to disable "Microsoft Composite Battery"

    ok. a long time ago i solved my DPC latency issue thanks to this forum and the NI forum.

    my laptop battery died a while ago, i didnt replace it for about a year.

    with my old battery, i had 2/3 features listen under battery in device manager for it disabled.

    i am running windows 7 64 bit

    i KNOW that the one thing i had disabled was "Microsoft ACPI-Compliant Control Method Battery"

    and i thought the other thing i had disabled was "Microsoft AC Adapter"

    after i got a new battery initially i just renabled both of them, so i could monitor the charging of my new battery (i like to fully charge drain batteries when i get them new)

    at the time. i didnt think it was much of an issue and i thought my DPC spikes were mainly caused by my wireless card (disabled)

    so now i noticed the spikes today and its not very nice.

    so disabled "Microsoft AC Adapter" and "Microsoft ACPI-Compliant Control Method Battery"

    then i went to restart my computer. during shutdown it BSOD'd but then it start up fine

    DPC latency spikes were not gone though.

    NOW WHAT IM THINKING is that i actually had "Microsoft AC Adapter" enabled and the other thing i had disabled was "Microsoft Composite Battery". i wanna disabled "Microsoft Composite Battery" but i really dont wanna break my computer

    im assuming it should be safe but i can not find the answer on the internet thought it best to ask here

    thanks guys
    Last edited by Dj.You.S.Bee; 06-04-2014 at 06:04 PM.

  2. #2
    Tech Guru Patch's Avatar
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    Default

    I just remove the battery completely. My lappy is always plugged in, so, what need is there for a battery?!!
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  3. #3

    Default

    ..........
    Last edited by feedbackl00p; 07-29-2014 at 10:29 PM.

  4. #4
    Tech Mentor Dj.You.S.Bee's Avatar
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    Default

    exactly. and "Microsoft Composite Battery" is a kernel level driver meaning if it could be essential to running the OS. though i doubt it im not ready to take the risk untill i am sure it is safe to disable it. i have not tried but i think removing the battery would do nothing to help this

    im not worried about the battery, i could give 2 f*cks about it.

    im worried that if i disable this it could "brick" my laptop in a way. im scared of that or having to completely reinstall OS

  5. #5
    DJTT Moderator Dude Jester's Avatar
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    nope, disable away mate. the only caveat is that the battery icon disappears so you don't know the battery level.
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  6. #6
    Tech Mentor Dj.You.S.Bee's Avatar
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    ok, thank you jester.

    but just to clarify. the battery has already disappeared when i disable "Microsoft ACPI-Compliant Control Method Battery"

    could u yourself verify that you actually have "Microsoft Composite Battery" disabled and show a screenshot if possibly. i dunno why im paranoid cause the only thing i could find on it was someone saying it could mess with boot because it is a kernel level driver.

  7. #7
    DJTT Moderator Dude Jester's Avatar
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    Look Ma, No Battery!


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  8. #8
    Tech Mentor Dj.You.S.Bee's Avatar
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    yah im talking about something else you dont have ....



    however i do think my laptop is fine. if i use DPC latency checker its fine but i was using latency mon and my "highest measured interrupt to process latency) was looking fairly high.

    i think the only thing that really does need to be disabled though is the "microsoft acpi-compliant control method battery"
    Last edited by Dj.You.S.Bee; 06-05-2014 at 01:11 AM.

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