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At my wit's end : Squealing from Amped headphone output. - Page 2

post #11 of 12
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Okay....

 

I replaced my PSU with my spare 750w so I can RMA the AX860 for its coil whine.

The audio hiss still persists.

 

even bigger problem :

Suddenly the audio just stopped.

I reinstalled the audio drivers and rebooted multiple times to no avail.

 

I reset CMOS to see if that could POSSIBLY have anything to do with it.

Now windows reads "no speakers or headphones are plugged in".

Triennial
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Triennial
(15 items)
 
Free Laptop
(10 items)
 
Old Rig
(16 items)
 
CPUGraphicsRAMHard Drive
I7-740QM GT 330M 4GB DDR3 1033Mhz Intel 320 120GB 
Optical DriveOSMonitorKeyboard
Blu-Ray Windows 7 Ultimate 64bit 1600 x 900 CM Storm Scout Cherry MX Black 
PowerMouse
6 Cell Li-ion 5200mah SteelSeries Sensei 
CPUMotherboardGraphicsRAM
Phenom II X6 @ 3.8 Core / 2.7 NB / 2.7 HT ASUS M4A89GTD Pro/USB3 Gigabyte WINDFORCE 3X 6870 952/1076 4GBs DDR3 G.Skill Eco 1450Mhz 7-8-7-24 
Hard DriveHard DriveCoolingOS
Boot/Main Drive : SSD Intel 320 120Gb Sorage : Seagate Barracuda ST31000524AS Spire Thermax Eclipse II Windows 7 Ultimate 64bit 
MonitorMonitorKeyboardPower
Samsung SyncMaster 2233sw 21.5" 1920x1080 Gateway HD2200 24" 1680x1050 Generic ASUS Corsair TX750 
CaseMouseMouse PadAudio
Cooler Master Haf X Generic ASUS Generic ASUS Turtle Beach PX5 
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post #12 of 12
I think it's fairly obvious that it is a design flaw in the motherboard. This is more common in laptops, but any onboard sound tends to be suspect.

On the issue: http://www.native-instruments.com/knowledge/questions/269/How+do+I+get+rid+of+humming+and+buzzing+sounds+%28ground+loop%29%3F
Quote:
Ground loops are usually perceived as a hum or buzz in your audio signal. They generally emerge when an electrical system consisting of two or more electrical devices is connected to the electrical ground in multiple ways. If the ground of the different power sources does not have the same reference level, an equalizing current will run through the audio connection and intersperse to the audio signal.

This can also be caused by devices that introduce an electric potential to the ground connection, including peripheral devices connected to your computer. On Laptops low quality power supplies often lead to ground loop noise.

Unfortunately, no amount of RMA will fix it. If you get a dedicated sound card and all your problems will go away, and you will have better audio anyways.
Edited by Crazy9000 - 7/18/13 at 2:38am
SUPERPWN
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SUPERPWN
(12 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 4670K Asus z87-Pro MSI GTX 1080 Aero 32GB DDR3 Gskill Ripjaws 
Hard DriveOSMonitorMonitor
4TB Seagate Windows 8 x64 Overlord x270 OC HP ZR27 
MonitorKeyboardPowerAudio
LG34UM94 G-Tune Topre Realforce 800w Yulong D100 DAC with Denon D7000 headphones 
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