Po-Hsu Lin, as per your https://launchpadlibrarian.net/143527660/BootDmesg.txt : [ 0.502870] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
Hence, as per http://www.dell.com/support/drivers/us/en/19/Product/latitude-6430u-ultrabook an update is available for your BIOS (A06). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and just provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Tags removed: bios-outdated-a04 ** Tags added: bios-outdated-a06 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1195166 Title: [Dell Latitude 6430u] 413c:819b 3G modem is not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1195166/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
