Samsung NP-Q1EX User Manual page 32

Connect and Disconnect the AC adapter
Do not unplug the power cord out by pulling the cable only.
Power Cord Requirements
The power cord set (wall plug, cable and AC adapter plug) you received with your
computer meets the requirements for use in the country where you purchased your
Power cord sets for use in other countries must meet the requirements of the country
General Requirements
The requirements listed below are applicable to all countries:
All power cord sets must be approved by an acceptable accredited agency
The power cord set must have a minimum current capacity of 7 A and a nominal
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