hi
Hello
there is very little option for a keyboard
it depends on the models, but check
You may have an on / off button, this is quite rare, if so, turn the power off and on again.
Sometimes on the back there is a button (it can be on it) in order to reset the connection, try if there is
If you can test the keyboard with another computer
if none of this works, you probably have the same concerns that I encountered
Death of the keyboard without particular sign before, in one fell swoop
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Attention
A bios update is not without risk!
Be aware that if you are offered to do so, it will be at your own risk, the computer may become unusable, think about it
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