Samsung NP300 keyboard not working - Samsung 15.6" 500gb Intel Pentium B950 Np300v5a-a06us

Question edited for clarity, full make and model
Question moved to model category.

Smoke comes in three colours

White smoke = Steam (normally from fuel burning)
Blue smoke = Oil
Black smoke = Rich Mixture

It needs fixing because apart from using far too much fuel it soots up plugs and blocks the catalytic converter.

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It all depends on what you are loading and how you are loading it. The NP300 is only design to take 1 Ton as an extreme limit. Daily use under that weight would be hard wearing work for that vehicle.
Loads needs to be smaller heavy items positioned as far forward as possible and the lighter items nearer the back of the vehicle. If the loads are regularly nearer a ton i would suggest a larger van like a Mercedes Sprinter.

During regular service of NP300 takes 4.3 liters of engine oil. Nissan NP300 really needs high quality motor oil. Lots of Nissan vehicles produced in 2009 had 2.5 motor under the hood. Having model code YD25DDTi this engine should be filled up with Synthetic 5w30 type of oil. Choosing normal Synthetic 5w30 oil for NP300 2.5 engine you ensure its long lasting work.

This is the same info for your 08 model. Please make sure to use 5w~30 full synthetic. Mobil 1 or Castrol.

i would start by checking the ignition switch

not 100% on you model but sounds like theft lock. my need dealer to reset .do you have a "chipped" key try another key if u have one.

-Press on on/off screen.
-Reboot your laptop.
-Re-format
-Have it checked by an authorized person for any damage in the board.

If the connection is OK there, it probably means the problem is in your home. I find unplugging my router at least once a week does wonders for my connection. You might also be just far enough from your router that your signal is marginal, try moving the laptop closer or move you router closer to where you work.