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Thread: Asrock Z68 Pro: heavy audio noise as soon as I start a 3D application

  1. #1
    Join Date
    Oct 2011
    Stuttgart, Germany

    Question Asrock Z68 Pro: heavy audio noise as soon as I start a 3D application


    I just installed my brand new Asrock Z68 Pro, CPU is a Core i5 2500K (non overclocked), Teamgroup 8GB DDR3-1333 RAM (2x 4GB), and video board is an AMD HD6870. The problem is that the board, including the analog audio ("green" jack on the rear of the board) work fine, just until I start any 3D application, if I do this, I get heavy static screeeching on my speakers, depending on the colume level, which changes according to the video contentnts displayed.

    I have made a video to illustrate this, listen to the strange noise coming from the speakers as soon as the 3D scene is starting. This benchmark normally runs silent, this strange screeching is coming from the on-board audio, and I am very disappointed with this issue. What's wrong with my system, or is it Asrock's (poor?) motherboard design?

    Asrock Z68 Pro analogue audio noise - YouTube

    I'm thankful for any advice how to fix this issue, before I return the board.

    Thanks alot.

  2. #2
    Join Date
    Oct 2011

    Default Re: Asrock Z68 Pro: heavy audio noise as soon as I start a 3D application

    Wow mine was doing the same thing. I RMA'd the MB, RAM, GPU, and CPU not knowing which one was causing the issue. I'm thinking getting a new set will help, but now I'm starting to think it's do to the MB. Has anyone heard about manufacture issues with this particular MB or are we just unlucky?

  3. #3
    Join Date
    Aug 2009
    Birmingham,Great Britain

    Default Re: Asrock Z68 Pro: heavy audio noise as soon as I start a 3D application

    it could be your psu not fully shielded against emi(electromagnetic interference) its dues to the power saving features built into the cpu/mb,try disabling c1e or c3/c6 or eist in the mb bios

    sometimes changing the psu or graphics card stops the noise,it wont damage anything but the noise is annoying
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