Acpi\essx8336\1

, a common sound chip manufactured by Everest Semiconductor. This device is frequently found in budget-friendly laptops, tablets, and mini-PCs from brands like Alldocube, CHUWI, MeLE, and Itel.

If Windows does not automatically find the driver, you can manually point it to the correct software: Right-click the button and select Device Manager . acpi\essx8336\1

The trailing \1 is more important than it looks. It implies that the ACPI DSDT (Differentiated System Description Table) has defined a unique Device Resolution Order . In some laptops, you might see multiple audio endpoints (e.g., \0 for HDMI, \1 for the internal speakers, \2 for the headset jack). The \1 specifically controls the primary analog audio path. , a common sound chip manufactured by Everest Semiconductor

In short, ACPI\ESSX8336\1 is the ACPI hardware ID telling the OS: "There is an ESS ES8336 audio codec present at this location on the motherboard." The trailing \1 is more important than it looks

If your Device Manager shows a yellow exclamation mark next to this ID, it typically means the "ESAuDriver" is missing or corrupted, resulting in no sound or a non-functional microphone. 1. Manual Driver Update via Device Manager

If you have already downloaded the driver files, use the option to browse to the specific .inf file (often named ESAuDriver.inf ). 2. Official Manufacturer Drivers