Remove an unwanted computer from my network

[mrsmetalcore]

i have a computer that is on my home network that i am trying to disable. the person no longer lives with us and it is still showing that there computer is connected to our WiFi how do i delete this?? our internet provider is At&t... please help

 

[RealBeast]

If your router has MAC address filtering, you can disallow that address.

You should probably also change your WPA/WPA2 passphrase and update it on all the machines that you wish to allow.

edit: also change your router id and password.

 

[Dark Lord of Tech]

PLUS 1 ^

 

[nikorr]

Best answer selected by nikorr.

 

[nikorr]

This topic has been closed by Nikorr