micro sd erasing content

[eddieblock]

hello. i have a 2gb micro sd card full with content. i use a card reader to connect to my mac and delete some of the content from the card but it dosent free up any space on the card. anyone have any ideas ??? thanx

 

[beige matchbox]

with the card plugged into your mac, empty the trash

 

[eddieblock]

excellent. that simple, thanx for ya help