A) The keyboard needs to be unplugged and plugged back in.
B) The keyboard needs to be reconnected to the computer with a USB cable.
C) Turn off the flashlight or other keystrokes associated with the webpage or application that is open.
D) Uninstall and reinstall the keyboard drivers for your computer if none of the above work, this will make sure your drivers are updated and working properly.
E) Reset your wireless network by re-joining it on Wi-Fi settings (could be caused by the low battery). F ) Clean any dirt particles from under keys and around edges (with a can of compressed air). G ) Disconnect all peripherals such as external keyboards.