Suggest you can try this way:
1, buy suitable batteries installed in the wireless keyboard battery placement, pay attention to the need to follow the positive and negative poles in the keyboard installed to ensure that the keyboard can be used correctly.
2, open the computer, the receiver into the USB port, pay attention to the light to put, this time your keyboard can receive the computer's wireless signal.
3, in the connection of the wireless keyboard over the look, will be placed in the distance from the host within 25cm range, press the wireless keyboard reset button, when the keyboard above the green light is no longer blinking, your host and the keyboard to realize the connection.
Extended Information
Notes
1, Charging: The maximum time limit for charging any brand of Bluetooth device is 3 hours. Usually see the indicator light on the keyboard change color or turn off to power off. Charging the product for a long time will cause serious damage.
2. If you don't use your wireless keyboard for a long time, it's also best to charge the device once a month or so. In order to avoid its built-in battery into a dormant period and can not be recharged again to use.
3, the current situation, the vast majority of computers still do not support the wireless keyboard into the BIOS, because the computer into the operating system before the driver is not loaded, so you can not use the wireless keyboard to change the BIOS settings. The newest addition to the list is a new wireless keyboard, which is a driver-free version of the original, and a new one that can be used when you plug it in.
Driver-free doesn't mean you don't need a driver. Any hardware needs a driver, and many drivers are integrated into the operating system, so your driver-free wireless keyboard still needs a driver, which explains why your wireless keyboard doesn't work during the boot-up phase of the self-test, when no driver is loaded.
References: