How to uninstall ACPI in XP?

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Thread: How to uninstall ACPI in XP?

  1. #1
    Expensive Sushi AndyFunk's Avatar
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    How to uninstall ACPI in XP?

    I need to uninstall ACPI in Windows XP. I have a problem where my computer locks all the time, but I can't nail down what it is. I know that if I remove my sound card everything is fine, but I have the latest drivers for everything, all the critical updates, etc. Any other sugestions are welcome.

    Andy

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    Old School OCer OS-Wiz's Avatar
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    WinXp (and Win98SE for that matter) can handle IRQ conflicts for you! Find something like this in your BIOS and turn it on: "PnP OS Installed"
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    I Love My Mommy Trav2003's Avatar
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    Re: How to uninstall ACPI in XP?

    Originally posted by AndyFunk
    I need to uninstall ACPI in Windows XP. I have a problem where my computer locks all the time, but I can't nail down what it is. I know that if I remove my sound card everything is fine, but I have the latest drivers for everything, all the critical updates, etc. Any other sugestions are welcome.

    Andy
    Isn't ACPI Windows XP power management of some kind? check power settings, but that surely isn't your stability problem
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  4. #4
    Goldfish SS_T-Dog's Avatar
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    It looks like a reinstall may be the best option.

    Just like in Windows 2000, when you first start the setup, you'll see a message "Press F6 to install 3rd party SCSI/RAID drivers". When you see that message, press "F5" to select the PM config that best fits your needs. If you don't Windows will pick for you.

    I've seen posts of changing your ACPI driver to the Standard PC driver , but Windows will probably fight you every step of the way and may not operate the same from that point forward.

    Make sure you set your BIOS accordingly before the reinstall.

    SS_T-Dog

  5. #5
    Crash Test Dummy SkyDog's Avatar
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    DISCLAIMER 1: Back up anything that's important to you first, because following these steps can occasionally cause problems that only a reinstall of Windows can fix. Completely disabling ACPI support requires Windows to change its Hardware Abstraction Layer, and if that gets messed up, your Windows installation is pooched.

    DISCLAIMER 2: You can disable ACPI support by following the steps below, but it can't be re-enabled without reinstalling Windows.

    DISCLAIMER 3: If you remove ACPI support, your system will no longer automatically turn off when you shut down Windows. You'll have to shut down Windows and then press the power button to turn off the system.



    With all that out of the way, here's the instructions to disable ACPI without reinstalling Windows:

    1) Disable ACPI support in your system BIOS.

    2) Boot to Windows and go to Device Manager. Right-click on "Advanced Configuration and Power Interface (ACPI) PC" under the "Computer" header and select "Update Driver".

    3) Select "Install from a list or specific location (advanced)" and click Next.

    4) Select "Don't Search. I will choose the driver to install" and click Next.

    5) Select "Standard PC" and click Next.

    6) Keep on goin'. (I can't give you step by step instructions from this point on because I don't want to disable ACPI on my computer.)

  6. #6
    Tiger Shark
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    DISCLAIMER 3: If you remove ACPI support, your system will no longer automatically turn off when you shut down Windows. You'll have to shut down Windows and then press the power button to turn off the system.

    I'm pretty sure you can install Legacy APM support to get it to shutdown. I've done it on my laptop and systems where I had the ACPI disabled in the bios.

    DISCLAIMER 2: You can disable ACPI support by following the steps below, but it can't be re-enabled without reinstalling Windows.
    I don't know if this is the same, but AFTER installing XP, I have installed ACPI support without a reinstall.

    And if you diable ACPI in the bios, windows will revert to standard PC by default?
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    13662 G19's Avatar
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    Arrow Re: Re: How to uninstall ACPI in XP?

    Originally posted by Trav2003


    Isn't ACPI Windows XP power management of some kind?
    Some people try to remove it because Sandra indicates it can slow performance. I've never bothered myself. Seems like something I wouldn't want to get rid altogether.
    COL 3:17-

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