what's working, what's not
Ubuntu 14.04 Trusty Tahr LTS on N550JK-CN133H
Intel® Core™ i7 4700HQ Processor
Works out of the box, no problems noticed.Intel® HM86 Express Chipset
Works out of the box, no problems noticed.DDR3L 1600 MHz SDRAM, DIMM 16 G
Works out of the box, no problems noticed.
15.6" 16:9 IPS FHD (1920x1080) LED Backlight Non-Glare LCD Panel
Works out of the box, no problems noticed.Integrated Intel® HD Graphics 4600
Works out of the box, no problems noticed.NVIDIA® GeForce® GTX850M with 2GB DDR3 VRAM
Proprietary drivers (337.19 beta) works together with Bumblebee. Opensource drivers works out of the box, no problems noticed.128 GB SDD
Works out of the box, no problems noticed.2 -in-1 card reader ( SD/ SDXC/ MMC)
Didn't check yet.HD Web Camera
Works out of the box, no problems noticed.Integrated 802.11 b/g/n
Works out of the box, no problems noticed.Built-in Bluetooth™ V4.0+HS
Works out of the box, no problems noticed.10/100/1000 Base T
Works out of the box, no problems noticed.1 x COMBO audio jack
Works out of the box, no problems noticed.3 x USB 3.0 port(s)
Works out of the box, no problems noticed.1 x RJ45 LAN Jack for LAN insert
Works out of the box, no problems noticed.1 x HDMI
Didn't check yet.1 x mini Display Port
Didn't check yet.1X AC adapter plug
Works out of the box, no problems noticed.Built-in Speakers And Array Microphone
Speakers work out of the box, microphone not checked yet.Asus N series external sub-woofer support
Didn't check yet.Battery
No problems at all, charging works.Suspending
Works out of the box.
Installation
No additional steps needed, installation in UEFI mode works just fine.
Keyboard FN keys
Most of them works out of the box
Keyboard backlight
Works out of the box, adjustable using FN keys