Wireless issue

[hkh]

Hi every one I seem to have a small issue with my network, It works fine but if I leave and come back after awhile I caint get online but its working, Emule and steam are downloading just fine. I am new to wireless and dont have a clue were to start troble shooting?

[jajmon]

In order for us to help, please specify what you have and how it is set up. Your post doesn't give us much to go on to help.