Computers "falling off" Linksys Router!

[StaticX]

I have 3 computers on the router, somtimes my sisters computer used to fall of the router after 2 minutes and it would not have any internet or anything. Now my sisters computer is fine but now my computer will no internet connect after about 5-10 minutes! I have to reboot to get internet again AND IT PISSES ME OFF! please help :0)

[Dement]

Try assigning them static IP instead of DHCP. Also try winipcfg and release then renew instead of rebooting.