Win7 computer keyboard failure how to do

1. First, we need to download the installation driver to the official website of the win7 Ultimate computer, after that, we will uninstall the keyboard of the win7 Ultimate computer, and then re-install.

2. After that, we log in to the win7 Ultimate system, and then press the win+R shortcut on the keyboard to open the running window of the computer. After that, enter regedit in the running window and click back. Car, open the registry editor window of the win7 Ultimate computer.

3. In the window that opens, click on the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E96B-E325-11CE-BFC1-08002BE10318} in the menu menu on the left. In the window that opens, we uninstall the device except the UpperFilters item. , restart your own win7 Ultimate system.

4. After that, we will locate the HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E96B-E325-11CE-BFC1-08002BE10318} in the registry editor window again in the win7 Ultimate computer. String the UpperFilters item, change the content to kbdclass, and click OK to save.

5. Finally, let's unload the device and reboot.

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