Internal plays back with static

[M1Cruz]

I have tried all of the trouble shooting options available.  I have deleted, uninstalled, reinstalled, recovered, downloaded, etc.  When I try to use my internal microphone, (for Screencastify & Webex, etc), it doesn't play back right.  When it records, the green bars will go up and down.  But when played back, all I hear is muffled static.  My speakers are fine.  I have tested, configured, and preferrenced them properly.  I have tried just about everything but I'm hoping someone has another option for me??
And let me repeat, I have tried EVERYTHING on the troubleshooting page for microphones....not one thing helped.

I don't want to return the chromebook, but if you can't help me I'm going to have to return it and purchase another brand.

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[KrazyToad]

@M1Cruz

Welcome to HP Community

I have gone through your Post and would like to help

Since you have already performed all the troubleshooting steps, I suggest you perform a Power wash

Link: https://support.google.com/chromebook/answer/183084?hl=en

If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.