Asus AP130-E1 - Manual (Page 40)

Chapter 2: Hardware setup 2-24
3. When the card is in place, secure
it with the plastic card lock that
you removed earlier.
Card lock tab
2.8.2 Removing an expansion card
To remove an expansion card:
1. Remove the plastic card lock that secures the expansion card.
2. Firmly hold the expansion card
and pull it out of the slot.
3. Place the plastic card lock back
where you removed it.
Card lock tab