Corsair PSU Buzzing and fan stops intermittently

[BrightSideSC]

I have Corsair PSU TX 750, and I've only had it for a year. The fan on it has been buzzing and it stops occasionally. Anyone ever heard of this? I'm getting a new PSU because I don't want overheatage, but I'm just curious if anything similar has happened to anyone. P.S. it is not dust-clogged.

 

[mindless1]

It appears that this PSU model has a minor flaw in that it shuts down the fan if the load is low enough but then when it ramps up voltage to start the fan spinning it does it too slow so the fan's magnets overcome the torque and it just stutters failing to start (until the load gets higher). Some people in their forum (who were still within the warranty period?) had it RMA replaced. http://forum.corsair.com/v3/showthread.php?t=116847

Another option out of warranty would be to reverse engineer the fan control circuit and swap in a slightly higher value resistor on the base pin of the control transistor, or just cut the fan leads and solder them direct to the 12V rail if you don't mind excessive noise, or put a series resistor inline on the fan positive lead if you don't mind a fixed fan speed incapable of allowing the PSU to operate at its full rated load... which you may not need if your rig is pulling less than half the rated PSU wattage which many systems don't do.