Question about MPC Computers ClientPro 414 All-In-One PC Desktop

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Cant get sound on in my mpc client pro all in one

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  • Deependra Shekhar May 11, 2010

    Need to check the sound card is installed properly under the device manager.



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Rusabus- I have the exact same problem, and I have the 30pin wire harness out, but there are no pins labeled. Is there any way to tell which ones are 7&8, and do I need to leave the wire in there? Would I be better off going with option 3? I have quite a bit of time

Posted on Jun 22, 2010

  • rusabus Oct 17, 2010

    Hi Donovanm,

    Sorry for not replying sooner. As I noted in my original reply, only pins 1, 2, 29, and 30 are labeled. What I did not mention was that they are only labeled on the motherboard. The cable itself is not labeled at all. To find pins 7 and 8, you will have to count from pin 1.



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You either have a broken volume control knob or incorrect/missing drivers. You can download the drivers for this product from a company called Mecer:

Does your volume control knob spin more than 360 degrees? It should not, and if it does, then it's broken. Here are three solutions you can try for fixing it:

#1: This is probably the easiest one to accomplish. Remove the cabledooron the back of the system (it is the one at the bottom on the back --held in by one screw). Under this door there are anywhere from 5-6cables plugged into the motherboard. One of these is a connector with30 pins arranged in two rows of 15. The cable plugged into thisconnector probably has pink wires. Short pins 7-8 on this connector(they should be across from each other, but only pins 1, 2, 29, and 30are labeled). To short the pins, insert a thin wire into the back sideof the connector so that it makes contact with the exposed pins. Youcould also use a resistor to do the trick - 10KOhms will give you novolumewhile 0Ohms will give you full volume. Something like 2.5K could giveyou a nice middle ground.

#2:Replace the volume knob. The part number for the knob isXV0107GPV2NB10K-3824. Good luck finding someone who will sell you oneof these.

#3: Disassemble the LCD panel (it's not that hard ifyou have a #1 phillips screw driver) and short the volume control knobpins 2-3. This will disable the volume control completely, but it willbe stuck on maximum volume. This would be best done by soldering a wirebetween those two pins.

Options 1 and 3 will disable the hardware volume control, but the software volume control in Windows will still work fine.

Posted on Jul 01, 2009

  • rusabus Jul 01, 2009

    By the way, the above is only applicable on a ClientPro 414 all-in-one. The ClientPro All-in-one is a different product. It has a similar volume control knob (I don't know if it is the same, though), but uses different drivers. You can download drivers for it at:


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Do you see a speaker on your desktop on the lower right hand side? If you do, then click it and look to see if you have anything that is muted. If everything is fine then go to Settings and control panel and look in mutimedia. In audio, make sure your sound card is appropriately set. If you dont see a speaker or you dont see your sound card in multimedia, then you need to reinstall the drivers for your sound card. If everything checks out fine and it says your sound card is working properly...then check the speaker connection in back of you computer. Good luck.

Posted on Jun 16, 2009

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Posted on Apr 08, 2009

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SOURCE: drivers de mpc client pro 414 todo en uno 1

Posted on Mar 01, 2011

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