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Thread: Need help - Soundcard onboard(no sound)

  1. #1
    Newbie Mr_PHOENIX's Avatar
    Join Date
    Feb 2006

    Question Need help - Soundcard onboard(no sound)

    Hi all..,
    I have an interesting problem. I have install a computer and work well with normal power supply. The problem is onboard sound. When i connect the computer to M2-atx on vehicle... the computer start well and everything work well, but no sound. I'v checked the system and see no sound detected.. , so i disconnect it and try again with normal 220v power supply and the sound works well(detected). after while, i am going back to try again on the vehicle.. and the result.. no sound again? very confused ..
    before, i use intenal audigy 2 zs works well on vehicle , but not with onboard sound. BTW, i'm using gigabyte ATX motherboard all in one.

    hope someone can solve this problem or give any idea to solve it..

    Thank you verymuch...

  2. #2
    Newbie Mr_PHOENIX's Avatar
    Join Date
    Feb 2006
    Anyone can help??

  3. #3
    MySQL Error MatrixPC's Avatar
    Join Date
    Sep 2003
    Beach City, Socal
    I am not sure but here is a shot to start.
    What is the different between M1 and AC PSU (regardless of wattage).

    Does the M1 has all negative (-) power rails (-5V, -12V)? It's probably doesn't has one of the 2 or both that the board is required. I think 1 of the neg power rail is obsolete thus not on M1 PSU.
    Hook up the AC PSU and M1 to check them out with a meter.
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