linksys wireless router is slow

need help with a linksys wireless router?

there is a little slut that lives in the apartment below me who has a laptop. she is using the internet through our wireless router. its slowing down our computers and i want to fix it so that she cant connect to the internet using our router. how and what do i go into to fix it so she cant. please help
her laptop is somehow connected to my wireless router. i dont want her to be able to access the internet with my router. how do i block her computer from my router

It’s your fault if you don’t “secure” your wireless connection and left it so any one can get in.

I’d suggest you start by consulting your router’s manual, which can be downloaded from Linksys.com if you can’t find the hardcopy.

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