Question Case fans stopped lighting up about a year into use

[Mask_Snake]

As it says, after a year of no issues one day my fan lights stopped lighting up. They will also turn back on what seems to be completely randomly but I'm not sure. I've looked it up and the things I've already tried are; cleaning PC/PSU, updating Motherboard drivers, seeing if it's an app I downloaded . This again was never an issue until about a month or two ago and I've had this computer since September last year. Just hoping I can get a large part of my setups aesthetic back.

 

[Dark Lord of Tech]

What make and model fan?

 

[JohnBonhamsGhost]

one day my fan lights stopped lighting up. They will also turn back on what seems to be completely randomly

are you using any particular LED control software or are these fans just running on some default color\theme?