my mouse not working on my acer laptop ,could somethink have been pressed on keyboard by mistake

[Mazz Trevor]

mouse not working,could somethink have been pressed on keyboard by mistake

 

[kacpercusen]

there should be an fn key at the bottom left, is that right?

 

[JeckeL]

mouse not working,could somethink have been pressed on keyboard by mistake

What kind of mouse? Wired/Wireless? Have you tried unplugging and plugging it back in?