Ethernet Connection Not Working in Debian after Fresh Installation

Just after I installed Debian Squeeze, at first boot, the wired ethernet connection, which worked so well during the install, was not working in the X system (Gnome). I wondered a lot trying to find an error in ifconfig or dmesg, but could find none. After a while, I noticed that the “status” of the connection in Gnome whenever I clicked on the network manager icon was: “Wired device not managed” The device was simply not…

"Ethernet Connection Not Working in Debian after Fresh Installation"