[SOLVED] Corsair Case Fan Struggling to Spin

[MorGD]

Hello guys, this is my very first PC build and the case is a Corsair Carbide Series 175R RGB. The 1 and only front fan included in the case is super noisy and its always struggling to spin whenever I left my PC turned off over the night, which is very weird.
I noticed this happened when I disconnected the case's fan and used a Y connector cable to plug in both the Noctua front fan and the System's fan (Case Fan) to get better cooling. I made sure that everything in plugged in correctly and that there is nothing obstructing the fan, so I really have no idea what the hell is going on.

As an additional note whenever this happens, the PC takes longer to boot. I am attaching videos about the issue.

My specs are the following: PSU Cooler Master MasterWatt 750W 80 Plus Bronze, MOBO GIGABYTE B550M DS3H , GPU Aorus Elite 3060 Ti , CPU Ryzen 5600 X

All help is deeply appreciated!

Super Loud Fan Not Spinning

Slow Boot

 

[geofelt]

A fan will not start if it does not get 5v. That might be 500 rpm. The splitter may have caused the issue.
More likely, the fan profile in the bios will start the fan at a very low rpm which reduces the voltage to it if it is a 3 pin fan.

The bios on boot will check to see if you have a cpu cooler installed.
It does this by checking to see if the cpu fan is spinning. That might be causing the delay.

It is best to have only the cpu cooler fan connected to the cpu fan header.
Connect the loud front fan to a different motherboard header and adjust that fan profile to your desired balance of cooling vs. noise.

 

[MorGD]

A fan will not start if it does not get 5v. That might be 500 rpm. The splitter may have caused the issue.
More likely, the fan profile in the bios will start the fan at a very low rpm which reduces the voltage to it if it is a 3 pin fan.

The bios on boot will check to see if you have a cpu cooler installed.
It does this by checking to see if the cpu fan is spinning. That might be causing the delay.

It is best to have only the cpu cooler fan connected to the cpu fan header.
Connect the loud front fan to a different motherboard header and adjust that fan profile to your desired balance of cooling vs. noise.

Thank you for taking your time to help!

I switched the case fan to connect directly to the 4 pin connector on the mobo, but for that I used and extension since the case fan its a 3 Pin, hopefully this will solve the issue as you say.
I guess tomorrow I will now if it worked because I swear it only happens until then next day, when the PSU's switch is left turned off for a long period of time which is usually over the night.

 

[geofelt]

Most motherboards can handle a 3 pin fan on a 4 pin header.
The fan speed will be controlled by voltage.
A 4 pin header with a 4 pin fan connection will be speed controlled by pulses.
Either should work.

 

[MorGD]

Most motherboards can handle a 3 pin fan on a 4 pin header.
The fan speed will be controlled by voltage.
A 4 pin header with a 4 pin fan connection will be speed controlled by pulses.
Either should work.

Oh I didn't now you could connect it directly even if its a 4 pin header.
This morning the fan worked perfectly without any loud noise so I guess it was the splitter as you said! So just see If really understood the issue, the splitter made the case fan not get enough voltage? because then I have no idea on how to avoid that when you don't have enough headers for all your fans.

 

[geofelt]

Most motherboard headers will do just fine with a splitter for two fans, Possibly 3.
I think the reason was that the motherboard bios fan profile started the fan at too low a speed to start.

 

[MorGD]

Most motherboard headers will do just fine with a splitter for two fans, Possibly 3.
I think the reason was that the motherboard bios fan profile started the fan at too low a speed to start.

Oh I see, I guess if it ever happens again, I will check in the BIOS settings the speed of the case fan and mess up with thems so it does not starts it that slow. Thank you so much, I really did learn a lot!😀