Do you have a question about the Samsung NP300E4X and is the answer not in the manual?
Steps to connect the AC adapter and power cord.
Procedure for powering on the laptop.
Details on CPU, Memory, Chipset, HDD, and Graphics.
Specifies operating conditions and power ratings.
Use and place the product safely, avoid prolonged contact with heat.
Do not bend or damage the power cord and adapter cable.
Take care not to cause electric shock and ensure grounding.
Connect authorized adapter and battery; do not disassemble.
Handle battery with care; do not use if a problem occurs.
Observe guidelines to prevent fire or burns.