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‎08-29-2022 12:33 AM

HP Recommended
Product: HP Prodesk 400 G3 MT
Operating System: Microsoft Windows 10 (64-bit)

Hi there! I have a microphone that works when I plug it in the front microphone port of the computer, but I don't want to have it in front all the time, so I tried plugging it in the back of the computer in the Blue Line-In port, however, the computer detects it plugged in but does not pick up any sound from the microphone. Please help me. Thank you! 

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1 ACCEPTED SOLUTION

Accepted Solutions

‎08-29-2022 05:38 AM - edited ‎08-29-2022 05:41 AM

HP Recommended

The line in audio port is typically for line level inputs - meaning the audio level is higher than what the microphone will output.

The microphone input on the front panel is designed for the audio levels from a microphone.  If you wish to use the line-in on the rear panel, then it will require a preamp which will boost the microphone levels to line level.

Typically a preamp is used with turntables or tape decks to give line level audio, so make sure the one you try is intended for microphone inputs.


I'm not an HP employee.
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1 REPLY 1

‎08-29-2022 05:38 AM - edited ‎08-29-2022 05:41 AM

HP Recommended

The line in audio port is typically for line level inputs - meaning the audio level is higher than what the microphone will output.

The microphone input on the front panel is designed for the audio levels from a microphone.  If you wish to use the line-in on the rear panel, then it will require a preamp which will boost the microphone levels to line level.

Typically a preamp is used with turntables or tape decks to give line level audio, so make sure the one you try is intended for microphone inputs.


I'm not an HP employee.
Did this message answer your question? Please indicate below as an Accepted Solution!
Did you find this message useful? Click on the "Was this reply helpful" Yes button.
Was this reply helpful? Yes No
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