How to get the keyboard sync with your tablet: 1.Please fully charge the keyboard and turn it on, the light comes on and then goes off. 2.Press the "FN+C" to open keyboard's bluetooth. note:please press"Fn""C" together. 3.Go to your tablet settings, click on bluetooth and look for the keyboard. 4.Click on the keyboard and it will connect. last, the keyboard case can work well. IMPORTANT: No.1:Please press "Fn" and "C" together to open the bluetooth. No.3:The keyboard automatically enters Sleep mode when it doesn't work for over 15 minutes. Click any key to activate the keyboard. No.4:The Bluetooth pairing is automatically interrupted when the tablet is in sleep mode. ABOUT OUR PROMISED please check the instruction carefully, if you still have other question, pleaes email to us, if the keyboard case had quality problem, you don't need return the keyboard case, we refund or replace at once. We promise that we let you satisfied!!! thank you