Filed a report via 'ubuntu-bug linux': https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1406300
$ cat /sys/class/dmi/id/product_name X551CA,
Previously stated workaround: echo "options asus_nb_wmi wapf=4" | sudo tee /etc/modprobe.d/asus_nb_wmi.conf, fixed the issue.
Filed a report via 'ubuntu-bug linux': https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1406300
$ cat /sys/class/ dmi/id/ product_ name
X551CA,
Previously stated workaround: echo "options asus_nb_wmi wapf=4" | sudo tee /etc/modprobe. d/asus_ nb_wmi. conf, fixed the issue.