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No Mouse/Keyboard After Updating Microsoft Natural Keyboard Pro Drivers
Article ID: 257729 - View products that this article applies to.
This article was previously published under Q257729
NoticeThis article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center
(http://support.microsoft.com/?scid=http%3a%2f%2fsupport.microsoft.com%2fwin2000)is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy
After you install Windows on a computer that has a Microsoft Natural Keyboard Pro keyboard attached (Device Manager identifies it as a "Standard 101/102-Key or Microsoft Natural PS/2 Keyboard"), some of the Internet, multimedia, e-mail, and programmed hotkeys across the top of the keyboard do not work.
If you start the Keyboard tool in Control Panel, click the Hardware tab, click Properties, click the Driver tab, click Update Driver, click Show all hardware for this device class, and then click the Microsoft Natural Keyboard Pro driver, you receive the following warning:
If you click Yes, the drivers are loaded. After the required reboot, the keyboard and mouse no longer work.
Installing this device driver is not recommended because Windows cannot verify that it is compatible with your hardware. If the driver is not compatible, your hardware will not function correctly and your computer might become unstable or stop working completely. Do you want to continue installing this driver ?
The "Microsoft Natural Keyboard Pro" updated driver description is misleading. This driver is intended to be used solely with the Universal Serial Bus (USB) version of the Microsoft Natural Keyboard Pro keyboard. Even though your Microsoft Natural Keyboard Pro keyboard has both a PS/2 and a USB connector, the keyboard itself is i8042-port-based, while the USB connector is strictly for the built-in USB hub.
Installing the incorrect driver disables the i8042prt port and enables Human Input Device (HID) support, which does not work with this keyboard.
To re-enable the keyboard, use any of the following methods.
First, try the Last Known Good Configuration option by pressing F8 at the boot menu. If the Automatic Logon feature is enabled on this computer and has already logged on a user and there is no keyboard or mouse functionality, use one of the following procedures:
Use Recovery Console
Remotely Edit the RegistryImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
If the computer is connected to a network, you can remotely edit the registry as follows.
NOTE: If the computer is networked but is not part of a domain, you may need to map a connection to the computer's IPC$ share by using that computer's local administrator credentials before you can attach with Regedt32.exe as described below. To map a connection to the computer's IPC$ share, use the following command:
net use \\remote_computer_name\IPC$ /user:administrator *To remotely edit the registry: