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TACKtech Corp. > Articles > Registry > Windows 2000

Fix i8042prt Error (TTID #98)

Author: Kevin   Views: 116,855 /  Created: May 1, 2002
Issue:
One of the following error messages appear in the event log.

Type: Warning
Source: i8042prt
Event: 32
Description: The keyboard device does not exist or was not detected.

Type: Error
Source: i8042prt
Event: 26
Description: Exceeded the allowable number of retries (configurable via the registry) on device.



Explanation:
When you hotplug (or use a switch box) a PS/2-style keyboard or detach a USB keyboard, in Windows 2000, you recieve one of the above messages.



Solution:
  • Step 1: Backup your Registry
  • Step 2: Open the key
    [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\i8042prt\Parameters]
  • Step 3: Change the value Headless data to 0x1


Registry Editor
Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\i8042prt\Parameters]
Value Name: Headless
Data Type: REG_DWORD
Value: 0x1 (Allow Hotplugging) | 0x0 (Hotplugging not allowed)



For more information see Microsoft Knowledge Base Article Q262798.



WARNING: Use the information provided at your own risk. Always backup your system prior to modifying the registry. Serious problems may occur that require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved.

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