Wobbling fan making a rattling noise on brand new PC

[gregl111]

Hi guys, I got my PC yesterday from PC Specialist, and when I was rendering out some 3D models in Blender it started making a weird rattling noise, so I turned it off and took the side panel off and tried again to see if I could see where the noise was coming from and I've found that one of the 3 fans at the top is wobbling and causing the noise, is this something that I am able to fix myself, and if so, how would I go about doing that? Also just to mention, I'm completely new to all this kind of tech.

Here's a video of the fan wobbling and the noise, and you can see the left fan at the top is wobbling around:

Would love it if this is something I'm able to easily fix or replace, thanks in advance.

Also, here's my specs:

Case
FRACTAL DEFINE 7 XL BLACK QUIET TOWER CASE
Processor (CPU)
AMD Ryzen Threadripper PRO 3975WX 32 Core CPU (3.5GHz - 4.2GHz, 144MB CACHE)
Motherboard
ASUS® Pro WS WRX80E-SAGE SE WIFI (Intel dual 10 G LAN, USB 3.2 Gen 2x2 Type-C port, SLI)
Memory (RAM)
128GB Kingston DDR4 3200MHz ECC Registered (4 x 32GB)
Graphics Card
24GB NVIDIA GEFORCE RTX 3090 - HDMI, DP
1st M.2 SSD Drive
1TB SAMSUNG 980 PRO M.2, PCIe NVMe (up to 7000MB/R, 5000MB/W)
1st M.2 SSD Drive
2TB SAMSUNG 970 EVO PLUS M.2, PCIe NVMe (up to 3500MB/R, 3300MB/W)
Power Supply
CORSAIR 850W RMx SERIES™ MODULAR 80 PLUS® GOLD, ULTRA QUIET
Power Cable
1 x 1.5 Metre UK Power Cable (Kettle Lead)
Processor Cooling
CoolerMaster MasterLiquid ML360 RGB TR4 High Performance Liquid Cooler
Thermal Paste
ARCTIC MX-4 EXTREME THERMAL CONDUCTIVITY COMPOUND
Extra Case Fans
1x 120mm Thermaltake TOUGHFAN 12 Case Fan

 

[Martinr36]

just carefully check the tightness of all 4mounting screws on it, something might have just moved in transit causing them to come loose

 

[gregl111]

Thanks for the reply Martin, sorry I forgot to say I checked the tightness of those 4 screws and they’re all nice and tight

 

[Martinr36]

Thanks for the reply Martin, sorry I forgot to say I checked the tightness of those 4 screws and they’re all nice and tight

Ok, this might sound odd, but slacken all the fans in the roof, and then making sure all of them are pushed up tight on the roof retighten them all gradually

 

[gregl111]

I've tried that this morning and unfortunately it's still doing it I'm thinking if maybe could the foam have been pushing up against that one fan in transit and damaged it? Not sure

 

[B4zookaw]

Is is just the fan blade wobbling or is the entire fan unit wobbling? I can't tell from the video.

 

[gregl111]

Is is just the fan blade wobbling or is the entire fan unit wobbling? I can't tell from the video.

It's just the fan blades wobbling, so the black bit which is all screwed in is nice and tight and doesn't move

 

[SpyderTracks]

It's just the fan blades wobbling, so the black bit which is all screwed in is nice and tight and doesn't move

Have you tested the fans to make sure that's the one making noise? Fan wobble is fairly normal. You need to test it by using a pencil or something to stop the fan, then be sure if it's making noise.

 

[gregl111]

Have you tested the fans to make sure that's the one making noise? Fan wobble is fairly normal. You need to test it by using a pencil or something to stop the fan, then be sure if it's making noise.

I've not done that yet but I will do that test, thank you. I am 99% sure it's that fan though because I was watching it when I hit render and it was fine, not wobbling and no noise, and then after a few minutes as soon as that one fan started wobbling the noise came with it, whilst the other 2 fans haven't wobbled at all, I will do that test though, thank you

 

[SpyderTracks]

I've not done that yet but I will do that test, thank you. I am 99% sure it's that fan though because I was watching it when I hit render and it was fine, not wobbling and no noise, and then after a few minutes as soon as that one fan started wobbling the noise came with it, whilst the other 2 fans haven't wobbled at all, I will do that test though, thank you

If it is that fan, PCS will be able to just replace that one fan rather than you having to ship the whole unit back, they can just send out a replacement next day delivery. It's really easy to install.

 

[gregl111]

If it is that fan, PCS will be able to just replace that one fan rather than you having to ship the whole unit back, they can just send out a replacement next day delivery. It's really easy to install.

Ah that would be amazing, that's great to know, I'll do that test that you suggested and then go down that route if it is. Thank you for your help

 

[B4zookaw]

It's just the fan blades wobbling, so the black bit which is all screwed in is nice and tight and doesn't move

If it's just the blades it's probably defective and needs replacing. You can confirm it's the source of the noise by disconnecing it's cable from MB/controller, prob safer than the pencil approach Spyder suggested.

 

[Salmon Fisher]

Or using 'stop fan' in bios.