All keyboards do not work

each keyboard is not working, and they are all new. I have already installed all the drivers, but it says in the task manager that Windows cannot start this hardware device because its information of configuration (in the registry) is incomplete or damaged. (Code 19).  Any help?

Hi Thomas,

Have you made changes to the registry or to the latest changes to the software on the computer has made recently?

This can occur when more than one service is defined for a device, if there is a logon failure
the service subkey, or if the driver name cannot be obtained from the service subkey.

I suggest you to refer to these discussions and check if it helps.

http://answers.Microsoft.com/en-us/Windows/Forum/windows8_1-hardware/keyboard-doesn

Important  Follow the steps in this section carefully. Serious problems can occur if you modify the registry incorrectly. Before you edit, back up the registry to restore in case of problems.

Alternatively, you can refer to this blog.

http://blogs.msdn.com/b/usbcoreblog/archive/2013/12/10/help-after-installing-Windows-8-1-my-device-fails-with-error-code-19.aspx

Let us know if it helps. If the problem persists, we will be happy to help you.

Tags: Windows

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