I'm a linksys man, so I can not offer too much here. I just wanted to say that all is well, you just need to re-install your router. I have had to do this many, many times before.
You can go to the Dynex website for your router and they will give you everything you need. Once you do this things will work like new! While you are there check for firmware upgrades.
I have provided a
google link for you check out for some resources.