Strange siren sound...

Discussion in 'iMac' started by rca, Dec 21, 2011.

  1. rca, Dec 21, 2011
    Last edited: Dec 21, 2011

    rca macrumors newbie

    Dec 21, 2011
    Please see spec below. When I hook everything up to the Macbook, all is good. When I hook everything up to the iMac, I get a high frequency but quite siren noise coming from my speakers? This is with iMac turned off, but with the power lead plugged in and sound card connected via FW. A process of elimination means it has to be something to do with the circuitry of the iMac.

    I have installed the latest driver for the FW Solo (1.10.3) on the MBPro, but this version will not install on the iMac so I am still using 1.10.2, but I know its not a driver issue as 1.10.2 was fine on the MBPro.

    The thought of having to take all this kit into the Apple store to demonstrate the problem, well, I don't even want to go there :eek:

    Any others experienced the same?
  2. Sonhascome macrumors 6502

    Feb 18, 2010
    This is very strange, hope you can find an answer on here.

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