Wifi Briefly Drops

[aandy501]

I purchased a new laptop the other day, and its been working great. The one problem I have is due to my WIFI connection.
I have a desktop wired through my router to a DSL connection; it works great. On the wifi, which I enabled for the first time yesterday, I seem to lose my connection every couple of minutes very briefly. If I, for instance, try and transfer a file between machines, it will fail after a minute or so with "Cannot copy x, the specified network name is no longer available"
I also have trouble streaming audio or video from the other machine. I have not had a chance to try this on another network, but I would like to get your opinions on what could be causing this issue.
Thanks,