F5F Stay Refreshed Hardware Desktop Noise coming from the power supply, need assistance!

Noise coming from the power supply, need assistance!

Noise coming from the power supply, need assistance!

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DankNames
Member
122
12-08-2025, 09:01 PM
#1
My power supply is the Seasonic Focus GX 850W. I purchased it in November 2024 along with the entire system. After playing God of War, I immediately noticed a strange noise. I checked all the panels and stopped every fan with my finger, but the sound persisted. I turned off the PC and placed it on my desk, then opened Furmark to raise the GPU power limit so the PSU could handle more load. Previously it was around +6% (after installing the GPU), now it’s +15%. The system ran for about 5 minutes without any noise, which made me wonder if the case being on its side instead of upright was the cause. When I tried to lift it suddenly, the sound resumed, though I wasn’t sure if that was because I moved it or not. This PSU has a hybrid mode, and when I turned it off, the fan kept spinning continuously. The noise stopped once I switched to hybrid mode, but the fan still ran despite load. What could be wrong? Is this PSU likely to fail? It’s only been a year old...

EDIT: I forgot the link
https://drive.google.com/file/d/1G5-iJTt...drive_link

UPDATE: This issue occurs even when the system isn’t under load. I turned off hybrid mode, which reduced noise, but when I lifted the case, the noise returned and the fan still spun, albeit slower.
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DankNames
12-08-2025, 09:01 PM #1

My power supply is the Seasonic Focus GX 850W. I purchased it in November 2024 along with the entire system. After playing God of War, I immediately noticed a strange noise. I checked all the panels and stopped every fan with my finger, but the sound persisted. I turned off the PC and placed it on my desk, then opened Furmark to raise the GPU power limit so the PSU could handle more load. Previously it was around +6% (after installing the GPU), now it’s +15%. The system ran for about 5 minutes without any noise, which made me wonder if the case being on its side instead of upright was the cause. When I tried to lift it suddenly, the sound resumed, though I wasn’t sure if that was because I moved it or not. This PSU has a hybrid mode, and when I turned it off, the fan kept spinning continuously. The noise stopped once I switched to hybrid mode, but the fan still ran despite load. What could be wrong? Is this PSU likely to fail? It’s only been a year old...

EDIT: I forgot the link
https://drive.google.com/file/d/1G5-iJTt...drive_link

UPDATE: This issue occurs even when the system isn’t under load. I turned off hybrid mode, which reduced noise, but when I lifted the case, the noise returned and the fan still spun, albeit slower.

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SnowBall_Girl
Junior Member
31
12-24-2025, 01:19 AM
#2
Sorry!!! The file wasn't accessible, but it's now fixed. I can also recreate the sound by banging on the case (I'm actually hitting the case, not the PSU).
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SnowBall_Girl
12-24-2025, 01:19 AM #2

Sorry!!! The file wasn't accessible, but it's now fixed. I can also recreate the sound by banging on the case (I'm actually hitting the case, not the PSU).

T
TheNiceGirl
Junior Member
19
12-24-2025, 03:01 PM
#3
I believe the fan is making contact with something. When fans first start up, they don't stay in the exact position they're in during operation; they 'lift off' or settle into the bearing for easier rotation. It seems there might be an obstruction in the bearing or a component near the blade inside the PSU causing intermittent contact. The most effective approach would be to contact Seasonic—they have a warranty that covers this issue.
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TheNiceGirl
12-24-2025, 03:01 PM #3

I believe the fan is making contact with something. When fans first start up, they don't stay in the exact position they're in during operation; they 'lift off' or settle into the bearing for easier rotation. It seems there might be an obstruction in the bearing or a component near the blade inside the PSU causing intermittent contact. The most effective approach would be to contact Seasonic—they have a warranty that covers this issue.

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epicguy32
Junior Member
3
12-30-2025, 03:59 PM
#4
The intense noise clearly comes from a mechanical source. It matches the pattern of a failed fan bearing, indicating the fan should be replaced.
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epicguy32
12-30-2025, 03:59 PM #4

The intense noise clearly comes from a mechanical source. It matches the pattern of a failed fan bearing, indicating the fan should be replaced.

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Zyumo
Junior Member
28
01-07-2026, 07:35 AM
#5
I agree. For the OP, you shouldn't try to open the PSU or alter that setting. Doing so cancels the warranty and it's risky to tamper with power supply components.
Handle the RMA process with Seasonic.
Just in case:
@seasonic rep
Z
Zyumo
01-07-2026, 07:35 AM #5

I agree. For the OP, you shouldn't try to open the PSU or alter that setting. Doing so cancels the warranty and it's risky to tamper with power supply components.
Handle the RMA process with Seasonic.
Just in case:
@seasonic rep

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Dovaah
Junior Member
3
01-25-2026, 02:30 PM
#6
But it operates smoothly with little sound most of the time because it's a bearing.
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Dovaah
01-25-2026, 02:30 PM #6

But it operates smoothly with little sound most of the time because it's a bearing.

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xLakes
Member
105
01-25-2026, 11:19 PM
#7
Increasing the speed changes the stress on the bearing.
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xLakes
01-25-2026, 11:19 PM #7

Increasing the speed changes the stress on the bearing.

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Medved_Ru
Junior Member
21
01-26-2026, 07:37 AM
#8
This began occurring unexpectedly under heavy load, even when the fan ran continuously in hybrid mode. Because of the high cost of things here, I purchased my PC from a reseller who sources cheaper parts from Europe and brings them to me, sometimes smuggling them in. I told them it was fine, but I have to wait until Friday when he returns from his holiday. Could this repeated sound damage anything? I played Black Ops for nearly two hours without hearing any noise.
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Medved_Ru
01-26-2026, 07:37 AM #8

This began occurring unexpectedly under heavy load, even when the fan ran continuously in hybrid mode. Because of the high cost of things here, I purchased my PC from a reseller who sources cheaper parts from Europe and brings them to me, sometimes smuggling them in. I told them it was fine, but I have to wait until Friday when he returns from his holiday. Could this repeated sound damage anything? I played Black Ops for nearly two hours without hearing any noise.

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murderman25
Member
168
01-26-2026, 10:48 AM
#9
During the noise it appears the fan is rotating more slowly.
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murderman25
01-26-2026, 10:48 AM #9

During the noise it appears the fan is rotating more slowly.

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hahahalo21
Junior Member
46
01-27-2026, 03:33 PM
#10
It functions until it stops working. Nobody knows when—or if—it will stop.
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hahahalo21
01-27-2026, 03:33 PM #10

It functions until it stops working. Nobody knows when—or if—it will stop.

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