rgb not working

So I'm currently working on my first build ever, and this afternoon I was very satisfied to see all the ARGBs of my system light up including the case the mobo etc. However, the daisy chain I had built wasn't working and I didn't know why. I decided to do some cable management and I don't know...

My motherboard is an MSI B450 Tomahawk with 2 12v 5050 LED RGB Headers. So I bought a 12v 5050 led strip with a controller and an adapter. I connected the strip to the MB RGB Header and it worked at first but now both the headers are not responding. The RGB was not visible inside the MSI...