After updating to the latest GT-AC5300 version, 2.4Ghz signal is very low strength. What have happen?! Anyone experiencing this issue?

I am constantly getting "Failed to convert host name" error...

I have two 100Mb/s Down and 10Mb/s Up from same network provider. I have one WAN connection on PPPoE and other on "WAN 2" (LAN2) on Automatic IP. But for some reason other modem is seen in System Log but in main Network map is seen also but as "cable...

Can someone tell me please what model of notebook is this??? It will be available in Q2 2012! Not yet available to PRESS!!! So be the first to know! It is very similar to macbook. If you scan it with Google goggles you will see what comes up!