Front 4 usb ports and microphone and headphone jacks don't work but the rear usb and speaker jacks do work. I have 2 sets of speakers plugged into the pink 3.5mm jack on the back panel. I have never had a microphone plugged into this computer, I've had the computer new since 2009 and they have never worked.
It "might" be possible that the "sound device(s) software might be set to "default" for sound...which means these jacks "will work" if your sound preferences are "allowing" additional options - like front panel speakers and micrphone, etc. You might try hooking up your speakers to the front jacks ....before booting up your system. Most Windows operating systems will show the devices attached ...under the Control Panel functions. It gets tricky...but they may be perfectly operational - just NOT configured to work!
It sounds to me like the wires from the front panel connectors are not connected to the motherboard inside the computer case, open the case up find the front connectors wires inside and find out if there are any connectors on the motherboard to plug them into.
the reason the rear ones work is because they are soldered directly to the motherboard.
good luck.
Sounds like your motherboard was replaced by (a newer) one that does not have the right on-board cable connector for front panel switches; and there does not seem to be a standard for these cables. If you can't find the sockets on the motherboard you can try hand wiring them, but better just do without.
desktop or laptop computer ?
3 Ports on the side- Pink,Green,Black
Pink Port is LineIn for an external device player jack
Green Port is LineIn for the Microphone jack
Black Port is LineOut for Headset or External Speakers jack
Plug the Green jack on Headphone - into the Black Port on the laptop.
b) Go to Control Panel and open - RealTek HD Audio manager
On the top of Page are 3 Icons -
One Icon is labelled Speakers One is for Digital optics, one is for Mic,
The Speakers Icon is misleading as it is also for Headphones (LineOut)
Select Speaker Icon and make it Default. Also tick Full Range - Front LR
Ignore the 4 vertical Analog Icons on the right side.
You should now have Headphone sound if your volume is not Muted.
click start control panel on the left select hardware and sound then select manage audio devices then recording you should see a microphone right click select enable windows 7
click start control panel on the left select hardware and sound then select manage audio devices then recording you should see a microphone right click select configure speech recognition then
you will see earphones with a speaker among a list set up a microphone headset with microphone then next and next again you should see your earphones with microphone being configured
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it or select audio from the microphone drop down list
make sure you have the right one selected and in the volume box make sure the microphone box has a tick in it or
select the voice tab
make sure that you have the right media selected also
select volume make sure the box for microphone has a tick in it
or you might have to depending on your operating system
Click start Control Pannel
click on Hardware and Sound
click on Sound
then you devices should come up ; speakers, Digital Audio, and headphones
plug your headphones in
then select headphones
at the bottom it will say set as default
select that!!
then when you disconnect your headphones it automatically switches to the speakers and when you plug them back in it automatically will switch to headphones
hope this helps
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