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Identify the culprit

post #1 of 3
Thread Starter 
Wasn't sure which sub category this would be appropriate for, but since I am suspecting the motherboard might as well list here.

Mods, feel free to move if needed.

I've looked all over the internet for this but I can't seem to pin point the problem.

Really annoying and well not even sure of the proper term really but like a constant electrical sound coming from inside the pc.

It has been basically been happening since day one and I can hear it over my fans on standard setting. Just under two month.

631 rpm - case fan
914 rpm - cpu fan/s (NH-D14)
886 rpm - case fan
707 rpm - case fan
1680 rpm - gpu fan

The psu has been replaced from a crappy cooler master with a decent quality corsair one.

The more i read about similar problems about capacitors, coils etc etc the harder it seems to identify the problem as it gets more and more complicated.

What I've done so far;

Removed psu from case

Booted with no gpu

Powered on and sat in bios without hard drives

Powered on and sat in bios without dvd rom

All usb peripherals d/c including speakers

Fans d/c

Obviously motherboard hasn't been replaced.

The noise still seems to be present.

Another option I might be suspecting is that somehow my pc isn't being grounded properly and if anyone is electrically minded perhaps would be able to pin point me in directions of what basic testing I could do.

The pc gets turned of every night because of this very reason and it's been driving me insane as I am usually on it mostly late at night with no sound turned on.

Thanks in advance to anyone who might be able to get me closer to fixing this problem.
 
XPS L502X
(9 items)
 
CM 110 Elite
(7 items)
 
CPUGraphicsRAMHard Drive
i7-2670QM 2GB NVIDIA GeForce GT 540M  6GB 1333MHz Dual Channel Ram 750GB Seagate Momentus 7200RPM 
Hard DriveCoolingOSKeyboard
64GB Crucial m4 Cooler Master Notepal L1 Windows 8 Professional x64 / Mint 14 Cinnamon 6... Backlit Keyboard 
Audio
Sound Blaster X-FI  
CPUMotherboardGraphicsRAM
G3258 H97I Plus Gigabyte 750 Ti Low Profile  8GB Skill Ripjaws 1600 Mhz 
Hard DrivePowerCase
Kingston V300 120 SSD  Corsair VS 550 CM Elite 110 
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XPS L502X
(9 items)
 
CM 110 Elite
(7 items)
 
CPUGraphicsRAMHard Drive
i7-2670QM 2GB NVIDIA GeForce GT 540M  6GB 1333MHz Dual Channel Ram 750GB Seagate Momentus 7200RPM 
Hard DriveCoolingOSKeyboard
64GB Crucial m4 Cooler Master Notepal L1 Windows 8 Professional x64 / Mint 14 Cinnamon 6... Backlit Keyboard 
Audio
Sound Blaster X-FI  
CPUMotherboardGraphicsRAM
G3258 H97I Plus Gigabyte 750 Ti Low Profile  8GB Skill Ripjaws 1600 Mhz 
Hard DrivePowerCase
Kingston V300 120 SSD  Corsair VS 550 CM Elite 110 
  hide details  
Reply
post #2 of 3
remove your gpu? check your motherboard standoffs?
    
CPUMotherboardGraphicsRAM
i5 2500k ASUS P8Z68-V LX Intel 3000 G-Skill Sniper 
Hard DriveCoolingOSMonitor
Intel 320 Series SSD Stock Intel HSF , 2 Antec 100 stock fans, 2 ult... Windows 7 64 Bit Professional Samsung Syncmaster B2430 
KeyboardPowerCaseMouse
Logitech Illuminated Corsair CX430 V2 Antec 100 Logitech Dinovo 
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Reply
    
CPUMotherboardGraphicsRAM
i5 2500k ASUS P8Z68-V LX Intel 3000 G-Skill Sniper 
Hard DriveCoolingOSMonitor
Intel 320 Series SSD Stock Intel HSF , 2 Antec 100 stock fans, 2 ult... Windows 7 64 Bit Professional Samsung Syncmaster B2430 
KeyboardPowerCaseMouse
Logitech Illuminated Corsair CX430 V2 Antec 100 Logitech Dinovo 
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Reply
post #3 of 3
check to see if any of the capacitors are bulging, i believe they can make a whining electrical noise if they are but dont quote me on it
Keith-PC
(21 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k EVGA P67 FTW Zotac GTX 580 3GB SLI 16GB Kingston DDR3 - 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Kingston HyperX 120gb Raid 0 Hitachi 1TB Hitachi 2TB ASUS Blu-Ray Combo Drive 
CoolingCoolingCoolingOS
MCP655 2x TFC xChanger 480mm 20x Delta WFB1212H Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
3 x Dell SP2309W Deck Legend Fire Antec HCP-1200 Case Labs TH10 Extended 
MouseMouse PadAudioAudio
Logitech g9x EVGA Gaming Surface Creative Titanium HD Sennheiser PC350 
Audio
Logitech Z5500 
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Keith-PC
(21 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k EVGA P67 FTW Zotac GTX 580 3GB SLI 16GB Kingston DDR3 - 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Kingston HyperX 120gb Raid 0 Hitachi 1TB Hitachi 2TB ASUS Blu-Ray Combo Drive 
CoolingCoolingCoolingOS
MCP655 2x TFC xChanger 480mm 20x Delta WFB1212H Windows 7 Ultimate x64 
MonitorKeyboardPowerCase
3 x Dell SP2309W Deck Legend Fire Antec HCP-1200 Case Labs TH10 Extended 
MouseMouse PadAudioAudio
Logitech g9x EVGA Gaming Surface Creative Titanium HD Sennheiser PC350 
Audio
Logitech Z5500 
  hide details  
Reply
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