Case fans not working

Hi, we built this pc recently which works perfectly fine except for one thing, I can't power the fans. The motherboard (msi b450 pro max) only has one system fan port (except the cpu fan which works perfectly) and the case (Aerocool shard midi tower) came with 4 system fans, one at the back and...

Case Fans: Corsair Case Fans AF120 Blue LED x3 Power Supply: XPG Core Reactor 650W Gold Modular Power Supply Cable used to connect to PSU: Molex to 3x3 Pin or 4 Pin Computer PC Case Fan Power Splitter Adapter Cable I was using the Molex adapter cable to connect the Corsair fans to PSU directly...

I got my pc custom build from a company in January and everything was fine until I left for my vacation for the whole summer and when I came back I noticed my pc getting very hot while playing games it should handle easily. I then looked and noticed that my case fans weren’t spinning and only...

I recently built a new computer, which has given me a fair share of issues just to get running(DOA mobo). I finally have my computer and running, but my fans don't seem to want to work unless plugged into Cha_fan 2, which when it is the fan will only work at full blast. How can I fix this issue...