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AnsweredHot!2060 KO Gaming fan scratching/grinding noise

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ty_ger07
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/05/27 08:01:22 (permalink)
Rhaze48
I think the worst part is I stupidly bought it from newegg instead of Amazon and if I wanted to return it and upgrade to like a 2060 Super I would have to pay newegg $66 in "restocking fees" and an additional $33 for an RMA label. Never order from newegg people, it was my first time and it'll be my last.

Have you considered using the EVGA step-up program?

https://www.evga.com/support/stepup/
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Rhaze48
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/05/27 09:14:16 (permalink)
ty_ger07
Rhaze48
I think the worst part is I stupidly bought it from newegg instead of Amazon and if I wanted to return it and upgrade to like a 2060 Super I would have to pay newegg $66 in "restocking fees" and an additional $33 for an RMA label. Never order from newegg people, it was my first time and it'll be my last.

Have you considered using the EVGA step-up program?



 While that sounds good in theory, I am limited by my port choices.. I require a card with a DVI-D connection as I have a 120Hz monitor that still works great and no real extra cash to spend on a new screen right now. Hence why I went with the KO, it and 1 other EVGA card seem to be the only ones I had available in Canada with DVI ports...

Intel Core i9 9900K - Gigabyte Z390 Ultra MB - EVGA RTX 2060 KO - 32GB Corsair Vengeance LPX 3200 - Samsung EVO Plus 500GB NvME M.2 - Corsair RM650x PSU
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nick_b24
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/05/28 06:54:23 (permalink)
I've done a lot of investigation on this since it has been bothering me to no end. Also as an electrical engineer I felt like I at least had enough background to be able to understand what the root cause of the problem is to investigate it.
 
My summary:
 
There is a problem with the chosen fans used on these graphics cards. When the fan controller of the GPU sends the fan a PWM value between 1-36%, the RPM of the fans themselves pulse up and down like an engine revving noise. This is because the fans are of bad design. Instead of the fans themselves rejecting PWM values of 1-36% and just stopping, they continue to try and spin at those values but they can't spin that slow so they pulsate. When the fan controller of the GPU finally sends a value of 0%, then the fans finally stop and make no noise. I suspect it is because EVGA was looking for a fan with this stop technology that they decided to choose these fans knowing full well that this is the downside of the choice. 
 
The stock fans have a part number of PLA09215S12H. The S in the part number indicates this is a sleeve bearing fan. The same exact fan, but the bearing version with part number PLA09215B12H have been used for years by EVGA with no problem. I bought this old version online to try out. It is a 10 min job to change it on our graphics card and you don't even need to remove the heatsink (so no breaking the warranty sticker). All the screws are accessible from the top of the card (6 fan screws and 4 screws for the plastic shroud). After installing the PLA09215B12H version fan I bought I got to see a new behavior from the graphics card. Now the fans always spin at a minimum of 1142 RPM when the GPU is telling the card to spin at 0-36%. Therefore there is no more fan stop option. However, now there is no more revving up and down. When the GPU tells the card to spin at fan speeds under 36%, the fan knows it cannot spin slower and therefore stays at it's minimum RPM of 1142 RPM. When the GPU tells the fans to spin higher than 36%, then fans ramp up as normal. 
 
I know this work around might not be for everyone, but at least it gives some people out there the choice if they want. Unless EVGA releases a bios update that tells the fans to go to 0% directly after starting to ramp down and skip the whole 1-36% range, then there is no way to fix this. Unless you want to manually control the fans using software on the operating system level. 
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Pilsner73
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/05/28 14:50:11 (permalink)
CocoPlops999
I contacted support about this issue and they said its to do with Hydro Dynamic bearing fans.  They said if i set a custom fan curse in px1 it will fix this issue, I seen others in this thread have done that but i feel like its a total cop out on EVGA's behalf. We shouldn't have to set fan curves to avoid this noise im actually pretty annoyed at evga's response to the issue and no willing to fix it.


The suggestion from EVGA sounds like a work around and I hope it works for, I also hope they are looking into finding a permanent fix.
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tsolias10
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/06/29 13:40:16 (permalink)
Same problem over here now with the 2060 XC Ultra.
 
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Alpert7
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Re: 2060 KO Gaming fan scratching/grinding noise 2020/07/29 08:14:17 (permalink)
I confirm this problem on 2060 KO Gaming card. I once thought I got a faulty card from Amazon or it got damaged during shipment. 
I currently use afterburner to solve this "temporarily".
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