A:Answer Be sure the keyboard is charged. The keyboard has a rechargeable battery. It is charged with the included Mini-USB to USB cable. Once the battery is charged, approximately 90-minutes, you can unplug the cable and use the keyboard wirelessly. After about 15-minutes of charging, you will be able to use the keyboard plugged in and charging. If the issue continues, we recommend you call Lenovo Tech Support at: 877-453-6686.