K95.rar
While holding the button, plug the keyboard back into the USB port.
Use a paperclip to press and hold the button inside the pinhole. K95.rar
Unplug the keyboard again, then plug it back in. It should now function normally. While holding the button, plug the keyboard back
Extract the contents of K95.rar using a program like WinRAR or 7-Zip . While holding the button