Hi, My name is ***** ***** i will be assisting you
Please click here to download the setpoint and unifying software
dwnload and save and run the file
once installed let me know if you are able to use the device or not
i will suggest further accordingly
let me know if you face any difficulty
If the power light does not turn on that means the power on switch is not good as being a brand new keyboard and mouse you can call Logitech and get it replaced.
Sometimes the power on slide switch does not work if you slide it few times the power should come up and if not you will need to get the keyboard and the mouse replaced.
let me know if you have any more question feel free to ask.