Helo, I have perviously installed windows 7, unfortunatly my 5.1 surround is not working, as there are only windows vista drivers available for my soundcard ( Trust 5.1 Surround Soundcard SC-5100) I have send them an e-mail and they said that windows 7 drivers are not available. when i try to test the 5.1 surround all speakers play, but when I play music and do other activities only 2 work. please help.