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TX750 Grinding(3rd RMA)

D

darksparten

n00b
Joined
Feb 17, 2013
Messages
43
This is starting to get ridiculous.

It first started with my original CX750, it made a weird, crackly, static noise from the back grill, I was told it was a bad fan by the techs, and I RMA'd, i installed the new one, and guess what.

same issue. Then i Called again and they upgraded me to a TX750, the static issues were fixed, but it's been replaced with a new one, whenever the fan tries to ramp up, it starts grinding and beeping for 10 or so seconds before settling down and spinning, it also does this seemingly randomly during idle when the fan isn't even trying to spin. Is there something I can do to fix this?

TLDR-2nd RMA, still no resolution.
 
Sometimes pulling or pushing on the fan, along its shaft, to move a thrust washer will fix noises, but do NOT do this with the AC power cord plugged in or with any tool made of metal because some of the big heatsinks can have high voltage on them, even with the power turned off. A tool made of a bent nylon wire tie is good for this. If the bend doesn't stay in place, dip the nylon in hot water for a minute and then in cold water.

I once got 5 retail boxed AMD CPUs in a row with Delta fans that squealed loudly because their sleeve bearings had no oil. Some ball bearing fans have a sleeve bearing in back.
 
larrymoencurly said:
Sometimes pulling or pushing on the fan, along its shaft, to move a thrust washer will fix noises, but do NOT do this with the AC power cord plugged in or with any tool made of metal because some of the big heatsinks can have high voltage on them, even with the power turned off. A tool made of a bent nylon wire tie is good for this. If the bend doesn't stay in place, dip the nylon in hot water for a minute and then in cold water.

I once got 5 retail boxed AMD CPUs in a row with Delta fans that squealed loudly because their sleeve bearings had no oil. Some ball bearing fans have a sleeve bearing in back.
Click to expand...


If I'm understanding this right I need to open the power supply and press the fan with some kind of wire?

Well that voids warranty, so..
 
There's been some problems with fanless mode PSU's when the temperature of the PSU is borderline for the fan to turn on.

What kind of case do you have and what's the configuration of the PSU? It doesn't sound like a bottom mount with the fan facing down to me. If it was, you'd always be sucking in room temperature air and the PSU's fan would never want to turn on.
 
jonnyGURU said:
There's been some problems with fanless mode PSU's when the temperature of the PSU is borderline for the fan to turn on.

What kind of case do you have and what's the configuration of the PSU? It doesn't sound like a bottom mount with the fan facing down to me. If it was, you'd always be sucking in room temperature air and the PSU's fan would never want to turn on.
Click to expand...

it's mounted down sucking in room air.
 
At least your fan makes noise. The fan in my old HX620 died short of the warranty expiring. I didn't realize that the fan was out, so the power supply for the following 6 months acted up causing system instability. Eventually I contacted Corsair and they said that I had a counterfeit and ended the discussion right there. :mad:
 
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