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My motherboard is Gigabyte GA-945PL-S3. So due cleanning I had to disconnect front audio panel wires. Then I installed Windows 7 on a new hard drive. But now I don't know how to plug the wires back. Well I plugged how I remember (hope didn't damage it) but Realtek HD Audio Manager can't detect speakers nor microphone at front panel, everything seems to be fine on back panel. This is what manual show:

enter image description here

This is how it was before (that worked - but can't see well) enter image description here From front panel comes these wires:
2x GND(black)
Mic Bias(yellow)
Mic in(green)
Left out(red)
Right out(white)

Edit
I have found the problem. It was in Realtek Manager itself. I had to disable "Detect front panel sound".

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  • Oh, I hate this soft from Realtek. Thanks for the catch!
    – Mikhail
    Dec 29, 2012 at 16:50

4 Answers 4

Reset to default
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My motherboard is a Gigabyte GA-H87-HD3 and I was having the same problem of Realtek HD Audio Manager not detecting speakers in the front panel. After trying all kinds of solutions and reading the MB's manual dozens of times, I found out it was simply a matter of checking a checkbox!

Double-click the red speaker in the tray:

enter image description here

It will open Realtek HD Audio Manager. Click the yellow folder icon next to the upper-right corner of the window:

enter image description here

This is the important part. Although it may seem contradictory, you have to check the option that says "Disable front panel jack detection":

enter image description here

Now the front panel icons are enabled:

enter image description here

And now your front panel audio should be working.

If you still have no sound, maybe this more technical answer could enlighten you.

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  • I thought I messed up the wiring, but this solves the problem, thank you!
    – Little Helper
    Sep 21, 2014 at 7:55
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For those who look for the actual answer for the question "how to connect the cables to the motherboard?" here you go:

Some front panel audio cables are bundled together so it is not that hard to plug in them correctly, but in many cases your audio cable's plugs are fully separated from each other like in the following picture:

Front audio panel cable plugs

Another common bundling is when all cable plugs are separated like in the above picture, but the right and left speaker/line out plugs are grouped into two 1X2 bundle.

For an average Gigabyte motherboard where you use AC'97 Audio this is the common arrangement:

Front audio panel cable installing

If your speaker/line out cable plugs aren't grouped into a 2X1 bundle, then place the cable plug labeled "return" to the right and the other one to the left pin within this 2X1 area.

Also, here are some additional pictures for installation help from a random Chinese website:

Front audio panel cable installing help Front audio panel pin arrangement Front audio panel pin arrangement

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  • Actually it was a software problem. Anyways, thanks for your response. ;-)
    – Little Helper
    Oct 1, 2014 at 12:34
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    @LittleHelper Yes, I know. I posted it for the future visitors coming from a web search.
    – totymedli
    Oct 1, 2014 at 12:44
  • I care about the question, even if it was the wrong one in this particular case.
    – argenkiwi
    Aug 23, 2020 at 19:20
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Make sure the latest sound drivers are fully installed for your operating system (download the drivers from the manufacturer's website, do not use the built-ins). Then check the settings to make sure it detects the front headphone being plugged in.

Alternatively, check the BIOS, to make sure the front-end audio is enabled.

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  • Already did everything needed before questioning!
    – Little Helper
    Jan 13, 2012 at 17:36
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    +1 - Well I don't understand why has this answer been downvoted because acording to the OP edit, this was the correct answer as the problem was in bad settings of the driver manager... and everything had a good chance to be right with the wires because the OP took a picture before unmounting (smart idea!) and looked at the manual (another smart idea!! :)
    – laurent
    Jan 13, 2012 at 18:48
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What happed here is you must have mistakenly put the wires back incorrectly or forgot to attach the sensor detection wire it is needed so that motherboard checks if you have connected a headphone or mic or not,

enter image description here

From the image you have given it looks like pins 6 and 10 when you ground these pins computer thinks you connected a jack, 6 should be mic and 10 should be headphone best way to check is using a multimeter with continuity test mode these wires will get shorted to ground when the respective jack is connected.

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