With Conceptronic C300RU (ralink rt2870), blacklisting "rt2800usb" worked in Ubuntu 10.04 Lucid.
This is the output of lsusb: Bus 001 Device 006: ID 14b2:3c28 Ralink Technology, Corp. -- USB WiFi adapter with rt2870 chipset won't connect https://bugs.launchpad.net/bugs/549801 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs