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Latitude 7490: microphone not working


Tubardus

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-> moving from FAQ section (???) to correct Latitude 7xxx one... Please!

 

Mine works OOB as per my guide. But you did check in BIOS setup that your mike was enabled as per our posted recommended settings, right?

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AppleALC v1.3.8 was the version I used at time of writing. I'm currently using AppleALC v1.4.7 in Catalina 10.15.4 and microphone is working Ok.

 

What does your Audio PrefPane show for input? Volume Ok?

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I'm on Catalina 10.15.3. You warned us about the version 10.15.4 so I didn't want to lose a working setup.

 

Otherwise, sound is very good even with earphones. The PrefPane shows that the mike is recognized. But no sound is going in.

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I tried all of them. Only 13 gave back to me the mike. But after a little while, the sound began to scratch. The others gave the sound but no mike. Should I try all 50?

 

Maybe I should update to version 1.4.7 and set the layout to 16?

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