[1.] One line summary of the problem: fan doesn't work on HP Elitebook 2540p Laptop https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1669864 [2.] Full description of the problem/report: The fan is running in the boot until it passes the relay to the linux kernel. [4.] Kernel version (from /proc/version): Linux version 4.10.1-041001-generic (kernel@gomeisa) (gcc version 6.2.0 20161005 (Ubuntu 6.2.0-5ubuntu12) ) #201702260735 SMP Sun Feb 26 12:36:48 UTC 2017 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html