Question ARGB FANS work but does not light up

May 16, 2023
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I got the KEDIERS Mid-Tower ATX PC Case with 9pcs 120mm ARGB Fans,the fans work properly but the argb does not work.I have the Asus prime B550m-A mobo
 

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Your mobo has ONE Aura Addressable Gen 2 header at the bottom edge near the rear with THREE pins where you plug in a cable for lighting of this ARGB type. Most lighted fans now have TWO cables from them. One ends in a smaller connector with 4 holes for the fan motor and I believe it connects, in your case, to a fan hub. That Hub, in turn, should have one cable that plugs into a mobo CHA_FAN header to get a control signal. Similarly, a second cable from each fan goes to another lighting hub. The case description says that hub also has a cable with a wider 3-hole connector to plug into the mobo ADD_GEN2 header to get signals from that. This cable must NOT be plugged into the FOUR-pin RGB_HEADER2 item right beside the 3-pin one. When you are using the mobo to control the lights, you need to have the ASUS free software utility Aura Sync running.

I cannot find a manual for that case. But this is a common way things are done. The case has a button you use to change what the lights do - simply pressing it repeatedly changes from one display style to another. That is the only way to control the display IF you do NOT have any way to connect to the mobo. But you do. So often another way to use that button is to hold it down for several seconds (often 5 or more) to tell the lighting hub to turn over control to the signals coming from the mobo via the cable you plugged into the ADD_GEN2 header.

Don't forget, each of those Hubs usually has a cable ending in a wide connector that must plug into a SATA power output connector directly from the PSU to provide power to each hub.
 
May 16, 2023
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Does that hub include ARGB connectors ? If fans ARGB are connected to hub, then the hub has to be connected to MB ARGB header too and than you can control colors and behavior with appropriate software.
yes it has one thqat is also attacted to the SATA power thing and I plugged into the ADD_GEN2 3-pin thing