Microsoft KB Archive/128921

Err Msg: The Device Has Been Disabled in Hardware... (Code 29)

Q128921

The information in this article applies to:

Microsoft Windows 95

SYMPTOMS

Device Manager displays an exclamation point in a yellow circle for a PCI device. The status for this device reads:

   The device has been disabled in the hardware. In order to use this
   device, you must re-enable the hardware. See your hardware
   documentation for details. (Code 29.)

CAUSE

This problem can occur for either of two reasons:

Windows 95 knows the hardware will not function.
The hardware is configured incorrectly.

Windows 95 Knows the Hardware Will Not Function

Read the README.TXT file in the Windows folder to see if there is a known problem with the device. If the information in the README.TXT file does not help you solve the problem, please contact the device's manufacturer for additional instructions.

The Hardware Is Configured Incorrectly

The problem may be due to a configuration error in your computer's BIOS. This can happen if the hardware is set to use resources that Windows 95 knows are not usable by the device. To verify that this is the problem, check the I/O range for the device. If the I/O range starts at 0, Windows 95 cannot activate the hardware.

RESOLUTION

You may be able to resolve the problem by removing the device and refreshing it on the PCI bus. This causes the PCI bus to be enumerated again and lets Windows 95 reconfigure the hardware. To remove and refresh a PCI device, follow these steps:

Click the Start button, point to Settings, then click Control Panel.
Double-click the System icon.
Click the Device Manager tab, click the PCI device, then click the Remove button.

NOTE: The software for this device is removed from the current configuration for your computer.

Click the View Devices By Connection option button and then click PCI Bus.
Click the Refresh button.

NOTE: The PCI device is detected, configured, and placed back in the Device Manager.

MORE INFORMATION

If you are not sure whether a device is a PCI device, follow these steps:

Click the Start button, point to Settings, then click Control Panel.
Double-click the System icon.
Click the Device Manager tab, then click the View Devices By Connection option button.
Determine whether the device is on the PCI bus. If the device is on the PCI bus, it is a PCI device. If the device is on the ISA or the EISA bus, the device is not a PCI device.

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