I have D-LINK DI-624+.

At first I couldn't get into page http://192.168.0.1 but I connected my PC to LAN side of the D-LINK according to advice from this site. And everything was fine until I saved my changes and restarted. Immediately after that my computer says "network cable is unplugged" and cannot make internet connection via D-LINK. Only via modem cable. I tried to search wireless connection (with my Odyssey) too but computer founds only a list of other wireless connections, not the one I tried to create with my D-LINK.

Can you help me? I can't get connected to my D-LINK. Wireless connection is not working. I can't get to configuration menu site because LAN stopped working. How can I reconnect via D-LINK? And create wireless connection?

First, get your WIRED connection working again so you can configure the D-LINK router. If you changed the router's LAN ip address and don't remember it you may need to start over by resetting the router to it's factory default configuration by pressing and holding the 'reset' button on the back for 10 seconds and then releasing while the power is ON. You will need a record of the WAN addressing settings from your ISP too before doing this.

After doing this, to access the web configuration page of the router the computer will also need to be configured for the same network subnet as the router with an IP address of 192.168.0.x, where x is a number between 2 and 254, subnet mask is 255.255.255.0, and default gateway is 192.168.0.1.