Hi @hui.wang, I do have this wifi and it's not working, I'm happy to help the debugging
$ lspci -nnk | grep 0280 03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:b822] $ uname -r 4.13.0-36-generic $ apport-collect 1745081 Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. dpkg-query: no packages found matching linux Well, I guess you'll find all you need from the report I'm sending with apport-collect. Thank you very much! Thank you very much -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745081 Title: Add support for Realtek WiFi device [10ec:b822] To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1745081/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs