: For the student interactivity lights on the lid, you must use the DellActivityLight extension from the Chrome Web Store. Are you looking to extend the life

Do not attempt to flash custom BIOS/firmware unless you fully understand the risks (can brick the device).

Nowhere, as a standalone file. Audio is handled by the Chrome OS kernel. Update your OS or perform a recovery.

Below is the complete breakdown of how drivers work for this device, what hardware it uses, and how to resolve related issues.