Windows 7: Microphone not detected in Windows 7 32bit

Hello, I have this microphone for some time and recently I installed Windows 7 Ultimate 32bit. Back on XP the microphone worked, (not since first time, but I have no idea how I got it to work). It just doesn't detect my microphone, nothing pops out to tell me and when I check in recording devices it says it's not plugged in, but it is. So what could cause this?
Questions or suggestions tried and checked:
Microphone is not broken, it worked back on XP.
I do have the latest drivers.
I have tried plugging the microphone in every single slot in the back, same result.
Please help.... I really need this microphone to work..