How to turn led lights off of computer fans

[JohnnyRoberts187]

I have two 100mm fans with blue led lights in the side of my custom built computer and the only way i know to turn the lights off is to turn the fans off, is there anyway to turn the lights off with out turning the fans off also

 

[ulysses35]

If there are no switches on the fans or the power cables to turn the LED's off then the only option is to locate the power wire on the fan casing that runs to the LED's and cut them.