i can confirm this problem have Acer 8372T laptop, exactly the same problems...
i also noticed that the wlan light turns off before user login screen of ubuntu network manager sometimes says wireless disabled (or similiar), sometimes wireless deactivated by switch the wlan (soft-)key does no reaction (these keys need special drivers) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/787469 Title: Broadcom BCM4357 WLAN does not work in Natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
