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Buzzing from HX750W

post #1 of 15
Thread Starter 
So recently I've moved my computer up on the table and since I did I've started hearing a slight buzz from my PSU.. It comes for about 5-10seconds and then stops for 5-10seconds etc etc..
It's not loud and I can't hear anything when the computer isn't turned on.. But I just wanted to check if I should be worried.. I'd be pretty damn pissed off if the psu died and took any of my hardware with it..

The PSU is a HX750W from Corsair and it's about 7-8 months old.. No idea how long this buzzing has gone on since I've had my computer under the table up until now..
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post #2 of 15
How does it sound under full load?
Black Sand
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Black Sand
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post #3 of 15
Thread Starter 
Sounds the same when running prime95 and furmark.. but atm I've only got a geforce 6600 card in my rig so I guess furmark isn't pushing the psu at all..
-edit-
On second thought.. the buzzing sounds louder when stress testing.. noticed it when I stopped stress testing
Edited by JiminyBillyBob - 2/11/11 at 12:32pm
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post #4 of 15
Might be coil whine. I've personally never heard it on a power supply, but I have heard it with my GTX 570 every once in a while.
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Black Sand
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post #5 of 15
Thread Starter 
Should I be worried about that?
It definitely comes and goes.
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post #6 of 15
Are you 100% sure it's the PSU? Could be the GPU.

Either way, it's not harmful, but I'm sure Corsair would sort you out with a new one if you RMA'd.
    
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post #7 of 15
Thread Starter 
Aye at first I suspected the GPU, but now I've sold my 5850 and am using a nvidia 6600 atm and it still has the exact same noise coming from the back of the case.
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post #8 of 15
okay, i had this bussing sound when my machine was under heavy load and eventualy the ANTEC TP650 650W blew.... now got a TP-1000 1000w and it does not hum atall....
Old Timer
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Old Timer
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post #9 of 15
if your PSU is modular and you have a multirail output change the connector that goes to the GFX card to another rail... it might be drawing a bit to much... just an idea...
Old Timer
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Old Timer
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CPUMotherboardGraphicsRAM
AMD Phennom 2 X4 965 @ 4070Mhz Gigabyte GA-790XTA-UD4 2 x Sapphire 6950 (Flashed to 6970) 4096 MB DDR3 Dual Channel Corsair Dominator 
Hard DriveOptical DriveOSMonitor
2 x Patriot Zephyer SSD (raid 0) 6 x 2TB (storage) DVD RW Windows 7 X64 50" LG plasma + 2 x 20" LG Lcd's 
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post #10 of 15
P.S I was running 2 x 6950 (flashed to 6970 specs) though.... and when benchmarking it was making a heavy buzzing sound...

also i fixed a customer machine temporarly with the PSU fix i told you about earlier, as they has a multi rail PSU....
Old Timer
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CPUMotherboardGraphicsRAM
AMD Phennom 2 X4 965 @ 4070Mhz Gigabyte GA-790XTA-UD4 2 x Sapphire 6950 (Flashed to 6970) 4096 MB DDR3 Dual Channel Corsair Dominator 
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2 x Patriot Zephyer SSD (raid 0) 6 x 2TB (storage) DVD RW Windows 7 X64 50" LG plasma + 2 x 20" LG Lcd's 
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Microsoft Entertainment Desktop 7000 Antec True Power Quattro 1000w Silverstone Raven 02E Miscrosoft Entertainment Desktop 7000 
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Razor 
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Old Timer
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Phennom 2 X4 965 @ 4070Mhz Gigabyte GA-790XTA-UD4 2 x Sapphire 6950 (Flashed to 6970) 4096 MB DDR3 Dual Channel Corsair Dominator 
Hard DriveOptical DriveOSMonitor
2 x Patriot Zephyer SSD (raid 0) 6 x 2TB (storage) DVD RW Windows 7 X64 50" LG plasma + 2 x 20" LG Lcd's 
KeyboardPowerCaseMouse
Microsoft Entertainment Desktop 7000 Antec True Power Quattro 1000w Silverstone Raven 02E Miscrosoft Entertainment Desktop 7000 
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Razor 
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