What if the Win7 computer keyboard fails?

1. First, we need to go to the Win7 flagship computer's website to download the installation driver, after that, we will Win7 flagship computer keyboard uninstall, and then reinstall.

2. After that, we login to the Win7 flagship system, and then press the keyboard Win+r shortcut keys to open the computer's running window, then we enter the regedit in the Run window and click Enter, open the Win7 Flagship Computer Registry Editor window.

3. In the open window, let's click to expand Hkey_local_machinesystemcurrentcontrolsetcontrolclass{in the left menu menu. 4D36E96B-E325-11CE-BFC1-08002BE10318}, in the open window, we upperfilters, uninstall the device, restart our Win7 flagship system.

4. After that, we navigate to the hkey_local_machinesystemcurrentcontrolsetcontrolclass{in the Registry Editor window again in the Win7 flagship computer 4d36e96b-e325-11ce-bfc1-08002be10318}, we double-click the string upperfilters item, change the content to Kbdclass, click OK to save.

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

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