2701HG-B Modem Resets Randomly When Using Wireless

I have a 2Wire 2701HG-B modem/router provided to me by AT&T for my DSL service. I have one issue and a seperate question sort of related to it.The issue I'm having is that whenever a laptop gets online with wireless internet the modem will randomly reset connection.Some times it will do it every 30 seconds, some times it will be once an hour or even more.It works perfectly fine on any laptop when plugged in with Ethernet cable but only with wireless it will glitch out. It does this whether it is the only computer online on the network, and also when there are a few others online so it's just the simple fact of the wireless resetting it somehow.I've done lots of google searching and some people say changing the line pair settings fixed it for them. Some say changing from b/g mode to just g mode fixed it. I've tried every thing that I've come across and nothing has worked so far. Apparently this is a very common problem for this model I just can not find the right solution that has worked for other people, to work for me as well.

if I were to want to make this modem/router just a modem and hook up my own router for N wireless would this be possible? I know I've read ways about putting combos in DMZ mode or something but I don't really know what I'm looking for because everything is worded different in this modem's settings.Can any one provide any insight as to if this is possible, and if it's even worth it to do so? Mainly worried about the first thing I mentioned though, this is just a side note.