How to connect a 4.1 surround system speakers to my 5.1 sound card?

i bought a new creative 4.1 sound system when when i try to connect it to my built-in sound card in my intel motherboard only 2 speakers are functioning the other 2 aren't my sound card contains 3 places a green one a blue one and a pink one speakers/phones/microphone my sound card supports 5.1 speakers please help

How to connect a 4.1 surround system speakers to my 5.1 sound card?
What i did was plug everything in and change the settings of your sound card. That should do it. All the 5.1 means is that it can support upto 5.1 speakers. Also make sure everythings turned on and you've put the right wires in the right places!