Thank you for your response. I tried e100 driver but it is not better.
Here is the results in attached file. ** Attachment added: "lspci and other commands" http://librarian.launchpad.net/6252336/lspci -- Intel Network Card 82562V not recognized on Dell Dimension E520 https://launchpad.net/bugs/83333 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
