XPS 15 (L502X) low microphone volume

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XPS 15 (L502X) low microphone volume

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When I plug in a microphone or even when using the built-in mic, the volume level is extremely low, to the point that the other party has to turn the volume way up. I've installed the latest Realtek drivers, enabled +30db boost and must turn on noise reduction. If I don't turn on noise reduction, the amount of static is incredible. I'm using Window's Sound Recorder for my testing.

Is this a fault of this model or do I just have a bad sound chip? Hardware BIOS diagnostics passes but the volume is concerning as I don't have this problem with my Thinkpad. Now I'm wondering if I should just return the laptop.

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  • I am not aware of this being a known problem with the XPS L502x -- meaning that i don't recall seeing any other posts about the issue. I keep notes on mic issues and don't see any entries re this model.

    There is a mic trouble shooter here

    support.dell.com/.../document

    and also one in Dell's PC Checkup diagnostic tool.

    support.dell.com/.../document

    There is also one in Dell Diagnostics audio tests if you have those tests. It is the best diagnostic because it runs independently of Winows and its drivers.

    en.community.dell.com/.../19768710.aspx

    Jim Coates -- senior forum member