New rig installed, no fans running
New rig installed, no fans running
Hi all.
I've just completed assembling my computer.
Model: HAF 700 EVO
Model: ASUS ROG MAXIMUS Z790 Dark Hero
Processor: 14900K
Graphics: GEFORCE RTX 4090 (ASUS TUF)
Memory: 4x48GB
The system started up and I installed Windows. It's running smoothly so far, though the GPU is getting warm.
Current temperatures: CPU at 27°C, GPU at 45°C.
No case fans are spinning at all—just two in the back, two in front, one at the bottom, none moving.
The lighting on the fans is off.
All cables are connected properly from the case.
Possibly unrelated, the GPU fans are barely moving (turn-stop-turn-stop).
The GPU has a 16-pin connector and came with an adapter that has four sockets, so I used four PCI-E cables.
I haven't seen any fan activity inside the power supply unit either.
I left the computer on for several hours without it shutting down.
I also noticed the case remains completely open.
The only spinning fans are the three in the AIO, but it isn't lighting up.
I installed MasterPlus from Cooler Master and it doesn't appear to detect any fans.
Anyone else using this case? Did you encounter similar issues?
Any thoughts on what might be going on?
Thanks.
RAM: 4x48GB
Do you have a link to the RAM you're using?
The GPU uses a 16pin connector, and it came with an adapter that has four sockets, so I connected four PCI-E cables via the adapter.
You didn’t mention the PSU’s make and model. If it’s from a previous build, could you tell me its age and what it was powering before the RTX4090?
The only fans running in this setup are the three on the AIO (and the AIO isn’t lighting up).
What is the model of the AIO?
I’ve plugged in every cable available from the case.
It would be helpful to see a picture showing how you’ve arranged the fans and cables in your build. The host shared images on a site similar to Imgur, so please send a link if you have one.
Everything is fresh.
The PSU is an AX1600i, and all cables are firmly connected on both sides.
I haven’t noticed the fan spinning inside yet. Still, the machine isn’t overheating.
I only have Windows installed and haven’t made any changes yet.
The AIO is a Liquid Freezer III 420. The three fans included are functioning properly. I linked them to the CPU fan header.
My RAM is 192GB:
https://www.corsair.com/us/en/p/mem...0m...m4b5200c38
I’m only referring to the PSU and GPU fans here. I’m puzzled about why the case fans aren’t running. With nothing else to connect, I’m wondering if there’s a “quiet” mode that pauses all fans until a certain temperature. Just a thought.
The GPU has hit 52°C, so it’s still not very hot. Only one or two fans will briefly activate and then stop.
Well, once more, I'm completely confused. I usually figure things out after I submit a question.
I thought the fans were connected through the case and connected to one of the small boards inside.
The cables for each fan were wrapped up and tied together inside their respective housings.
This doesn't fix everything, but I hope it gets those five fans going, and I'll follow up later with the rest.
There should be a 12 fan hub on the back side of the case (on the right panel), allowing all fans to connect. You may need to attach a spare SATA connector for power, and it might also support the aio fans.
I noticed the hubs in the back but didn't receive any response when I connected it again. I'll check if it uses a SATA power plug. I remember having to connect a SATA cable to one of the loose cables on the case, but I'm not sure if that was necessary.
I connected one of the case fans to a fan header on the motherboard and it turned on and started spinning.
I wasn't able to get the light on the AIO working (if it exists). The manual indicates that the cable should connect to a connector on the AIO, but that didn't work.
Regarding the PSU and GPU:
The AX1600i is set to run quietly without fan spinning until 40% load (640). I haven't reached that level yet just by opening Windows and browsing the internet.
The ASUS TUF GEFORCE RTX 4090 also runs quietly at low load. According to what I read, it starts spinning when it reaches 55°C. From what I've observed since then, it's only reached up to 53°C, so it might have started and stopped near that point.
For now, I think this thread is resolved.
If you have access to the hub, it’s likely that all the fans—both RGB and standard—are powered through it. The fan connector you connected to the motherboard was probably originally in the hub and might have been removed. Checking this could take a few minutes. Follow these steps:
1. Open the hub located on the back internal case. Trace each wire to see where it leads. You should likely find a SATA or an Molex connector, and possibly a D.LED/argb connector (which would need to be placed on the motherboard). This process may take some time, but if you locate the problem, it will be worth the effort for the satisfaction of fixing it.
Regarding your AIO, expect two connections from the pump: one for the fan header/pump header and another for the argb/D.LED. Insert the fan header into the connector labeled "CPU Fan" or "Optional Pump," and if your AIO uses argb on the pump, connect the argb lead to an argb/D.LED pin header on the board.
Important: Verify the argb/D.LED connection carefully—one is 5V and the other 12V. Match it to the corresponding pin holes on the connector to avoid damaging the board.
Yes, you were both correct. I was planning to check yesterday.
The final four fans (front and back) went through the case as expected, but after following one of the fan cables inside the case, it connected to the hub, and another line showed an open SATA port. I assumed everything was properly linked the previous time, but this one ended up at the bottom of the case and wasn’t noticed. Once the second SATA was connected, everything started functioning correctly and producing those colorful outputs people enjoy.
The only issue preventing me from sealing the case is the AIO unit.
It has three spinning fans but no illumination. The cover for the CPU heat sink should light up as well. I don’t necessarily want all lights on, but something seems off because I’m not seeing any illumination anywhere on the AIO. I wouldn’t want to close the case if there’s a problem that might affect other components beyond the AIO.
I think I followed the instructions properly. During setup, I chose the single cable (not three separate fans), resulting in two connections from the AIO controller (the heat sink cover): one fan and one ARGB. The fan connector works wherever it’s connected, but if it’s not on the CPU_FAN header, I receive warnings during startup about a fan speed error. When I first installed the AIO, there was an open ARGB connector at the end. The manual instructed me to connect the controller’s ARGB to that port, and it appears to run serial to all three fans. I followed that. No lights. After removing the plug, I connected it to the hub behind the MOBO, but still no lights.
I’m uncertain what’s happening with this new gear.
I’ll probably keep the computer open for another week to investigate further.
Thanks everyone.
OK. The mystery is now solved. I tested the cables to the fans and found it confusing that the unit had an all-in-one cable but two separate ones coming out. The second one needed a destination, and there was an ARGB connector hanging loose on the three fans. I thought it should go somewhere specific, but it just connects to any RGB header. The fan cable is meant to hang freely, probably for multiple fan setups. I tried different arrangements—swapping cables frequently—and when the ARGB plug went into a simpler RGB header and the fan plugs hung normally, all four lights turned on. Now I can confidently finish my build. I’d like to include a picture, but the site only accepts URLs.
On a side note, please direct those who focus on music to skip the words—30 minutes of work in 3 minutes of time-lapse videos is sometimes worth just one word. Case closed.
Thanks all!