Alternatively, you could also go to Windows sound options screen to adjust mic volume in Windows 10.
Check how to do it below.
Step 1.

Step 2.
Open Microphone Properties
Next you’re able to clickRecordingtab in Sound window.
Find and right-click your desired microphone to selectProperties.

The current active microphone has a green checkmark.
Step 3.
Step 4. you could drag the slider under Microphone Boost to adjust it based on your needs.

Check how to download and update Dell audio drivers for Windows 10 PC or laptop in this post.
Change another computer microphone port to connect your microphone.
Fix 3. fire off the Recording Audio Troubleshooter.
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you might also troubleshoot the Microphone Boost option missing issue by running the built-in Windows Recording Audio troubleshooter.
you might turn to MiniTool software.
