You can boot up DSL now?
Almost any wired connection (LAN) would be working out of the box.
Maybe not so the wireless - especially if your hardware is not supported in linux.
Try if you can make it work by checking out the options given to you via:
Setup --> Net Setup --> wlcardconfig
Setup --> Net Setup --> ndiswrapper
For the latter you have to provide the driver file that you use in Windows to make your card work (the .inf) - but try the former first to see if the card is natively supported.
Alternatively - and/or to enable us to help you - give specific information on what hardware you have.
For this, post the output of the command: