how to connect logitech ex100 wireless keyboard?
['Remove the batteries from the Keyboard.', 'Type on the keyboard for about 10 to 30 seconds.', 'Insert the batteries back into Keyboard.', 'Press Left Alt+Left Ctrl+F12 all at the same time and hold for about a second.', 'Now PRESS the Connect Button on Receiver. ... ', 'Now PRESS the Connect Button on Keyboard.']