Here is list of issues I faced with Ubuntu 14.04
1. Hotkeys don’t work
Changing of backlight of keys, sonitor brightness level, sound level
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi="
updae-grub and reboot.
2. No touchpad tab in mouse&touchpad settings
This might help:
Links connected with subject:
3. Subwoofer works incorrectly
Added following line into
Reboot. If you run sound test via sound settings menu you should hear sound from front left, front right and rear right. Rear right should be sounded via subwoofer. Rear left should be without sound. Despite that if you start using music, left and right speakers will work together with subwooder. To check this
speaker-test -c6 -twav
4. Battery icon persistently present
No solution so far
5. screen calibration
6. Card Reader works unstably
7. No usb devices in VirtualBox guest machine
VB doesn’t support usb 3.0 so far. Look at https://www.virtualbox.org/ticket/8873
8. Power Management
ASUS N550JK has discrete graphic card GeForce GTX 850M, also on board it has integrated card Intel HD Graphics 4600. By default Ubuntu 14.04 doesn’t switch between cards correctly in order to reduce power consumption.
Luckuly there is a package Bumblebee. After installation you should notice longer battery life.