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Windows 7: rear pc mic jack not working?

01 May 2010   #1

rear pc mic jack not working?

Anyone know how to enable it? I'm on windows 7 ultimate. It doesnt show up when I click 'show disabled devices'.

My System SpecsSystem Spec

01 May 2010   #2
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

Please fill out your system specs, so that we have an idea of what hardware you have. It's much easier to help that way.

It's probably a setting in your audio driver control panel. Do you have front audio ports with a mic plugged in to them? Sometimes doing that will shut off the rear ones.

A little more detail is needed for a better answer. Sorry.
My System SpecsSystem Spec
01 May 2010   #3



I have a front mic jack too, this works fine. It is empty at the moment. I can survive with that one working but I need to stretch a VGA cable.

My PC is Dell Dimension 5150
4 CPU 3.00 GHz 2.99 GHz

Sound, video and game controllers
Hauppage WIN TV PVR PCI II (26xx)
High Definition Audio Device
Unimodem Half-Duplex Audio Device

My System SpecsSystem Spec

01 May 2010   #4
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

Okay, that's a bit more to work on. HD audio usually has a jack detection feature, and can often be configured to route different audio to different spots. If you open your audio control panel in Control Panel, it might look something like this:


Mine is a Realtek driver. I can separate the Mic jacks, or tie them together if I want to, or I can disable either one. I don't use my rear one, so I have it turned off. You should have something similar in your machine. Snoop around in your Control Panel and have a look. It's probably working fine, just disabled right now.

Post back if you still have some trouble.

My System SpecsSystem Spec
01 May 2010   #5


In my control panel under Sound I just have

Adjust System Volume, Change System Sounds, Manage Audio Devices

I cant open anything similar to your photo above. It says the manuf is Microsoft.
My System SpecsSystem Spec
04 May 2010   #6

Windows 7

Try 'Manage Audio Devices' then click on the tab 'Recording'
You should see two microphones - One says 'Default Device' - the other says 'Currently unavailable' (if this is not the case then "Right Click" on the microphone and ensure both 'Show Disabled Devices' and 'Show Disconnected Devices' are ticked)
'Right Click' on the microphone which says 'Currently unavailable' and select 'Enable'
The basic system cannot deal with two microphones active simultaneously and will disable the other microphone.
My System SpecsSystem Spec
05 May 2010   #7


thanks, i tried that. one option shows "microphone, high definition audio advice, not plugged in". both 'show disabled devices' and 'show disconnected devices' are ticked. oh well!
My System SpecsSystem Spec
08 Aug 2012   #8

MS Windows 7 Ultimate 64-bit SP1

I got the same problem as meganos### someone help please
My System SpecsSystem Spec
08 Aug 2012   #9

Windows 7/10 64 bit

Do you have the same PC, a Dell Dimension 5150 (or E510 which is the same)?

Dell only officially supports Vista 32 bits (will work for Windows 7 32 bits) with drivers for this model. I used to do a lot of support on the Dell forum and we found that only Dell supplied SigmaTel drivers would work properly. Any other drivers are iffy. Many on the Dell forum with these models reported installing a sound card that was Win 7 compatible and using that.
My System SpecsSystem Spec
08 Aug 2012   #10

MS Windows 7 Ultimate 64-bit SP1

2 months ago i had windows 7 ultimate 32-bit and everything worked fine. The mic worked good in the back panel. the audio jacks worked on both front and back panels, i could even connect two headphones at once and it would work fine... I didn't have any of the realtek sound cards or softwares or others. i just used the sound that my computer already had. Two weeks ago my dad reinstalled the computer to windows 7 ultimate 64-bit he did not change anything inside the computer, he didnt even open it. an d after the reinstallization to 64-bit my audio jack only works in the back panel and the mic jack doesnt work at all.

  • Operating system
  • MS Windows 7 Ultimate 64-bit SP1
  • CPU
  • Intel Core 2 Duo E6700 @ 2.66GHz
  • Conroe 65nm Technology
  • Ram
  • 4.00 GB DDR2
  • Intel Corporation DG965WH (LGA 775)
  • Generic Non-PnP Monitor (1920x1080@60Hz)
  • 1024MB GeForce 9500 GT (Gigabyte)
  • Hard drives
  • 466GB Seagate ST3500413AS ATA Device (SATA)
  • Optical Drives
  • HP DVD Writer 1270d ATA Device
  • Audio
  • High Definition Audio Device
My System SpecsSystem Spec

 rear pc mic jack not working?

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