1. First check whether the keyboard is short of power, if the power is not enough, it will affect the voltage and normal use of the keyboard.
2. If you still cannot use it when you are sure that there is electricity, you need to check whether the keyboard and the computer are connected properly.
You can press the NumLock key on the keyboard to see if the light on the keyboard is not bright, if it is not bright, it means that there is a problem with the connection between the keyboard and the computer, under normal circumstances, there is a problem with the keyboard driver, you can move the mouse to \"my computer\
3. The computer may be stuck, you can restart the computer to see if it is back to normal.
4. Or uninstall the wireless keyboard, and then reconnect the computer, under normal circumstances will return to normal.
1, the wireless keyboard reset key is at the top of the keyboard, used to press this key when the electronic product or computer crashes, so that you can restart without interrupting the power supply.
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2, because of the functional reasons, the general position is relatively hidden, not easy to touch.
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3, in the computer keyboard at the same time CTRL ALT DEL can also reset, this is a soft reset, also known as hot start