bad shopping

dvi-vga converter

yesterday i bought the DVI-VGA converter on net. it reached me this evening i was happy to see it. but when i connect to my pc , it doesn't work.
hahah ...
it was my bad. i haven't known such a trick.
actually, there are many type of DVI-VGA converter.
what i atucally needed is DVI-D (24pin ) and D-Sub(15pin)
but what i got is DIV-I(29pin) and HD(15pin)
it was totally wrong appliance.
ohh my bad.
i have never known there are such types of DVI-VGA converter.