connect but no internet

I am returning user at ubuntu, and i can not come online or use software center, and the wireless say connected, and i try enter in the terminal:

    rfkill list

and it say no soft block and no hard block, and i try enter in terminal:

    lspci

and say (atholen wireless on pci), and i try enter in the terminal:

    lsmod wlan0

and say lsmod: users, and since I can not use nmap to scan hosts if it is up when nmap is not install, and i tried making a script called network.d i enter:

#bin/sh

    case ![$] in
        ./bin/sh
        nmcli nm -c asleep=false -network
    easc

and still not online, can some one please help me come back online.