Case Fans = No Power Tags: Motherboards Cases Power Power Fan Last response: May 11, 2010 8:23 AM in Motherboards Share TFJ4 May 8, 2010 9:25:50 PM When I plug in my 4 pin power fan header to the motherboard my computer receives no power, when I unplug it then it works fine. Thoughts? GIGABYTE GA-P55A-UD3P Motherboard More about : case fans power ronss May 11, 2010 8:23:27 AM you have a cpu fan 4 pin hearder, and sys fan 4 pin header...are you sure the cpu and the 4 pin header are in the correct places.... also...are you sure the black wire is oriented to pin 1 on the fan header..that is the ground Can't find your answer ? Ask ! Publish Related resources Running case fans on normal 110/120V AC power ? Forum Clean way to power case fans ? Forum How many case fans can i connect to the power supply? Forum Power Supply Fan and Case Fans Forum How does one power the fans in a Storm Trooper case ? Forum Case fans / power supply configuration Forum How to power Antec 300 case fans Forum Will this motherboard be able to power all the fans in this case ? Forum How to power case fans (Antec 300 Illusion, CORSAIR TX750 V2) Forum 3 case fans - plug into motherboard or power supply? Forum Case fans and power supply Forum Need to power Case Fans Forum Split fan power from mobo header to run 2 case fans ? Forum Which is better memory Forum Compaq won't power on Forum Someone Help me About Power supply ???? Forum Micro ATX inside of ATX case? Forum Where to connect case's power-on button? Forum Can't power up Forum Asus P5Q Won't post properly after case swap Forum More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !