I received my WZR-HP-G300NH yesterday and set it up last night. The firmware was 1.60. First, I started with the wizard as I thought it's the easiest way to set it up, but in fact, the connection to the internet was not made (FYI. I use Comcast cable internet connection). So, I gave up the wizard and started to use the web admin interface. It went fine for the internet connection and started to configure other things by going through the web admin menus. I went fine until I change the Time/Date setting under Admin Config. The timezone was wrong and the time was a bit off. So, I corrected it and the router went to the restarting cycle automatically. But, it didn't come back properly. I lost the internet connection. So, I went to the Easy Setup, but the router was not able to find DHCP server. After a few trial, DHCP was found. So, I pressed the recommended automatic process to obtain an IP address, but the process failed a few times. Then, finally, I was able to connect to the internet. So, at this point, I thought I should update the firmware to the latest one and I downloaded 1.65 and applied it. The update process went fine, but after that. I lost the internet connection and went to the Easy Setup, but it failed a few times as I had before with 1.60. After a few trials, I was able to obtain the IP address and everything was working fine at that time. I went to the bed and when I woke up this morning, the internet connection had been lost. So, I did the same Easy Setup and I had to repeat it several times to connect to the internet. So, I came to the forum and found this post because the situation is very similar. While there is no internet connection, my laptops were able to connect to the desktop PCs without any problems. So, wireless connections within the home network work fine during the period when the router lost connection to the internet.
I read all the posts in this thread. But, it seems there is no solution at this moment. I'm wondering if I should return it to NewEgg...