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Changing the HAL in win 2000

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5 replies

by northwood

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How do you chnage the HAL in windows 2000 Professional? Is this eve possible?

5 replies

by saihib

To change the Standard HAL to ACPI HAL, use Winnt32.exe to install Windows 2000 over the current installation. If you try to change the type of HAL without running Setup, you may not be able to start Windows successfully again or you may experience hardware and other stability problems.

You cannot change between Standard and ACPI HALs because of the different way an ACPI and a non-ACPI BIOS enumerate hardware. The copy of the hardware tree, which is kept in the registry, is stored differently for each type of HAL. If you change the HAL without running Setup again, Windows may not be able to find hardware components needed to start the computer.

NOTE : You can use Device Manager to change from a single-processor HAL to a multiple-processor HAL.

For additional information, please see the following article(s) in the Microsoft Knowledge Base:

Q237556 Troubleshooting Windows 2000 Hardware Abstraction Layer Issues
Q216573 How Windows 2000 Determines ACPI Compatibility
Q197055 Disabling ACPI Support in BIOS Results in Error Message

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by saihib

To change the Standard HAL to ACPI HAL, use Winnt32.exe to install Windows 2000 over the current installation. If you try to change the type of HAL without running Setup, you may not be able to start Windows successfully again or you may experience hardware and other stability problems.

You cannot change between Standard and ACPI HALs because of the different way an ACPI and a non-ACPI BIOS enumerate hardware. The copy of the hardware tree, which is kept in the registry, is stored differently for each type of HAL. If you change the HAL without running Setup again, Windows may not be able to find hardware components needed to start the computer.

NOTE : You can use Device Manager to change from a single-processor HAL to a multiple-processor HAL.

For additional information, please see the following article(s) in the Microsoft Knowledge Base:

Q237556 Troubleshooting Windows 2000 Hardware Abstraction Layer Issues
Q216573 How Windows 2000 Determines ACPI Compatibility
Q197055 Disabling ACPI Support in BIOS Results in Error Message

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