To Remove A Memory Card; Remove The Memory Card - Samsung NP-X1 User Manual

You should insert the memory card with the writing on the card facing
downwards.
Inserting wrong side up may cause damage in the memory card and the
computer.
1. Insert the memory card into the memory card slot.
2. Click Start > My Computer. The inserted memory card is displayed.
You can write data to the memory card. If the memory card is not formatted yet, format
the memory card before use.
Since the memory card may be easily mislaid when moving your computer,
keep the memory card separately.

To remove a memory card

1. Press the end of the memory card softly to pop it outward.

2. Remove the memory card.

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Example : Memory Stick