I have good internet conncection with lan and bad with wlan which is to be expected. Now my wlan is absolute shit. I get 25mb down with lan and 1mb with wlan. I wanna fix this because i wanna use wlan. I can buy a new router cause my linksys router was given for free and it's made in 2008. How do i know it's not my modem or my router?. I know it's not my computer cause it works fine in other houses. Anyone know a fix?