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Windows 7: Really Strange Sound Issues....


20 Oct 2010   #1

Windows 7 Ultimate x64
 
 
Really Strange Sound Issues....

Morning all,

Some real oddness going on here. Having some issues with my X-Fi Fatality Champion Card (PCIe).

Basically I am getting sounds reminiscent of a 1940's gramophone coming through both the front bay (via headphones) and through the regular rear jack too. On-board audio is completely disabled through the BIOS.

Here is where the weirdness begins though.... On my rig I have two GTX 460s running in SLI mode. The Sound card is positioned (with ample room) between the two cards. If I completely disable SLI mode, the sound is crystal clear. Turn SLI back on and we are back to the 1940s ...

Initially I thought it was a problem with the MOBO (the mobo was reporting ram incorrectly - turned out to be bad slots) but since the board was RMA'd its made no difference.

Things I have tried so far:

1) Put fresh HDD (Running Windows 7 Ultimate 64) in and installed drivers from scratch and still the problem persisted. The problem would disappear completely when SLI was switched off.

2) Swapped Mobo.

3) Tried the speakers (Logitech 2.1) on a separate machine and they were crystal clear.

My gut feeling is that the PSU is not powerful enough and just wanted other insight to this.

My system spec:

650W Corsair PSU
Intel i5-760 (OC'd to 4GHz)
6GB DDR RAM (4 sticks)
1TB Sata Drive
2 x GTX 460s (Running in SLI)
Fatality Champion Series Sound Card w/ Front Bay (PCIe)
2 x 120mm case fans + Corsair Water Cooler (For the CPU)


My System SpecsSystem Spec
.

20 Oct 2010   #2

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

Question you have in the post saying that you have a "Intel i5-760 (OC'd to 4GHz)" but on the system specs it says you have a "i7 920 (2.66GHz), any question is are overclocking the CPU and witch one do you have?
My System SpecsSystem Spec
20 Oct 2010   #3

Windows 7 Ultimate x64
 
 

That was my old spec, sorry for the confusion.

New spec has been updated on my profile. The cpu is overclocked to 4GHz:

My system spec:

650W Corsair PSU
Intel i5-760 (OC'd to 4GHz)
6GB DDR RAM (4 sticks)
1TB Sata Drive
2 x GTX 460s (Running in SLI)
Fatality Champion Series Sound Card w/ Front Bay (PCIe)
2 x 120mm case fans + Corsair Water Cooler (For the CPU)
My System SpecsSystem Spec
.


20 Oct 2010   #4

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

Set the CPU clock speed back to default and see if it works.
My System SpecsSystem Spec
20 Oct 2010   #5

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Crispy View Post
Set the CPU clock speed back to default and see if it works.

Reset the overclocked settings back to defaults through the BIOS and still no joy

The sound only seems to be affected when SLI mode is turned on which is very odd indeed....
My System SpecsSystem Spec
20 Oct 2010   #6

Windows 7 Ultimate x64 Service Pack 1 (Build 6.1.7601)
 
 

Take the sound card out try it in another PC if possible other thing you can try is turn on the onboard audio, take out the sound card and see if it still dose it.
My System SpecsSystem Spec
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 Really Strange Sound Issues....




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