How to Fix Windows Key/Button Not Working on Windows 10 Method 1: Restart Windows ExplorerĮxplorer.exe is a program which is a graphical Windows explorer. Method 7: Try the keyboard on another computer.Method 5: Use the Automatic Maintenance option.Method 4: Use the official utility from Microsoft.Method 3: By using the Windows Powershell.Method 2: Change the value of one of the registry keys.How to Fix Windows Key/Button Not Working on Windows 10.