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2 Posts

08-25-2021

Poland

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External microphone (on headset/mic combo) not detected on X1 Carbon Gen 7

2021-08-25, 14:28 PM

Hi!

I've connected a regular (and tested) headset with mic to the jack on my new X1 Carbon Gen 7. Realtek Audio Console shows only "Headphone" as active and "Mic in" is inactive on Device advanced settings page.

The headset is shown as "Realtek HD Audio 2nd output" but the mic is not recognized.

Any ideas?

Thanks in advance!

Michael

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4380 Posts

12-13-2016

United States of America

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Re:External microphone (on headset/mic combo) not detected on X1 Carbon Gen 7

2021-08-25, 15:30 PM

Michael

 

You don't list the make and model of your headset, so I'll leave it to you to look up its plug pinout. Lenovo uses CITA while some phones and gaming rigs use OMTP. For Lenovo, the pinout (from the tip) is:

 

Tip - Left Audio

Ring- Right Audio

Ring - Ground

Sleeve - Microphone

 

OMTP reverses the ground and microphone. Lenovo computers will see that as just a stereo headset. Depending on the headset's microphone circuitry, you'll either hear low audio, distorted audio or nothing at all.

 

Doc


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2 Posts

08-25-2021

Poland

3 Signins

20 Page Views

  • Posts: 2
  • Registered: ‎08-25-2021
  • Location: Poland
  • Views: 20
  • Message 3 of 4

Re:External microphone (on headset/mic combo) not detected on X1 Carbon Gen 7

2021-08-25, 15:45 PM

Hey Doc,

That is interesting! I cant find the pinout for my "Plantronics - Blackwire C5220T", but this headphones worked perfectly with my 5th Gen X1.

Michael

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1 Posts

10-14-2021

Australia

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Re:External microphone (on headset/mic combo) not detected on X1 Carbon Gen 7

2021-10-14, 3:51 AM

Hi everyone,

I have a very similar issue.

 

My Sony headset was working fine via 3.5mm headphone jack.

 

Following the latest BIOs and drivers update my ThinkPad X1C 5th Gen W10DG stopped detecting external microphones via 3.5mm headphone jack.

I have uninstalled and reinstalled Conexant drivers via Device Manager, but no luck.

 

Does anyone have extra ideas?

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