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The mysterious motherboard

Dear crayzeetrayn, this ecs M925 still won't take the sound driver, and the real model name is still a mysterious. I only got a new clue which is its socket number: FC 478. On the other hand I have another situation: I have this tower that is dead, I mean dead; I have reseated everything, I got a brand new power supply, but is still dead.
So I got two questions: How can I determine if the power sopply is ok, since it doesn't show any voltage unless the computer is running?
How can I determine if the motherboard is fried?
There was a little shortcircuit on the port of the keyboard because one of the pins was bended, but the computer was working after that until suddenly it didn't want to start, and then it died.

Thank you so much for your concern and your time.

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  • 2 more comments 
  • alberts18 Dec 21, 2008

    Dear crayzeetrayn, I did the test of the switch, and that was not the problem; I heard that a capacitor on the board may blow in a situation like this, however, apparently I don't see this; I only see one that is a little bit open on the top, but no signs of any liquids coming out of it. What you say about the keyboard port causing trouble is absolutely true. That was what happened here.

    And no, this is a different motherboard, a newer one, which I'm going to regret to lose.


  • alberts18 Dec 22, 2008

    Yes, it is, and this thing is now giving me trouble to start up; when the windows logo appears and tries to start it won't complete; in goes back to initialization. The system battery is dead, does that have to do with this?

  • alberts18 Jan 09, 2009

    Crayzeetrayn, I have good news, and very important info for you and others: On the ecs M925 I finally was able to fix the sound problem by installing a new pack of windows xp proffesional with sp 2, and all utilities included. It might be that sp3 is not compatible with old systems. On the other one, the board I thought it was burned out, here is what I did: I removed the cmos battery and the memory sticks, and then I pressed the start botton, and ...viola...it came back to life!!! It took me time to adjust everything, but actually it is working just fine. My conclusion is: there was some kind of trouble (almost damage) on the hard disk and on the memory sticks or sockets. The hard disk used to squeal when I tried to start the computer.

  • alberts18 Jan 09, 2009

    I agree with you absolutely; and well, we just gained some new good expertise on the trade. Let's just have a happy 2009!!!

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You could possibly have a problem with the switch on the actual case. What you can try to prove this is trace to the motherboard fro the front panel the wires for the switch. Remove the connection off the motherboard and using a small flat screwdriver "short" the connection for those 2 pins. If the system then starts up you know you have a bad switch.

On another note the keyboard port could have caused the board to suffer "damage". I have experieced (25 years of this) keyboards stopping a system from booting. They would power up but never get to POST.

Is this motherboard the same that we are working on for the sound driver?

Posted on Dec 21, 2008

  • 1 more comment 
  • Jay Glendenning
    Jay Glendenning Dec 22, 2008

    Yeah if you see a capacitor that is "open" as you describe .. you cannot rely on that board .. more will happen ..

    I don't recall but did we make sure that the BIOS (on the original sound problem) motherboard has the sound component enabled?


  • Jay Glendenning
    Jay Glendenning Dec 23, 2008

    Yes .. CMOS battery needs to be "good" ..

  • Jay Glendenning
    Jay Glendenning Jan 09, 2009

    Actually .. your windows that was on the machine may have been corrupted that it didn't let you get the sound to work .. no way .. no how .. I had a client with just the opposite problem ... sound stopped working .. tried drivers .. uninstalling .. reinstalling .. you know the drill and well .. lets try putting SP3 on . and viola .. sound worked .. go figure .. so sometimes new is better .. but not always

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Speakers not workingCheck the following,
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  • Speaker Cable is connected to an audio port (Audio/Video port in system box).
  • Volume is MUTE / Low (in Volume Controller).
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To Check follow the Steps:
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Then, if you know what audio drivers youneed, you can simply download them off the internet. (No need of themotherboard CD these days ;-) )
Simply Google the make and model of your motherboard and say audio drivers. Itshould take you to the site where you can find the Audio Drivers.
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Or Right click on "My Computer" and then selectManage.
Go to Device Manager and if you see any yellow warnings there, surely the audiodrivers are not installed and then you can follow the instructions on thescreen.

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Much appreciated if you rate this solution.. thanks..


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