If I underestimate your abilities please forgive me.
First you need to see if you can PING the router.
See his article on how to do so.
http://www.myopenrouter.com/article/10277/Ping---Explained/

Will it Ping? If not then while running th ping window, using the -t command. Unplug your router, hold down the reset button and pug it back in.
wait about 30 secs and watch the ping window. does it give a response? If so, now try and load the page in your web browser.

Click here to see the BC Blog Do you own a Sansa MP3 Player? Then Click here to check out the SansaCommunity!

Ya, I think they recommend 20 secs for the WGR614L

Click here to see the BC Blog Do you own a Sansa MP3 Player? Then Click here to check out the SansaCommunity!

benbenson et al:

See my post about problems with this router. It looks like you are having the same difficulties I am. In my case, I can always reset back to defaults but trying to customize the setup ends up making the network setting unstable. I have also had the symptom where the web gui becomes unavailable even though my clients get an IP address. There's been very little explanation of what the problems are but it does seem that some folks are trying to help.

It is clear that it does not work well.