Select . Windows will scan your PC and the internet for the newest version.

Sometimes a driver is not outdated, but its configuration files have become corrupted. In this scenario, completely removing the driver and letting Windows clean-install it will fix the bug. Step-by-Step Instructions: Open (Windows Key + X). Expand Sound, video and game controllers .

Acer audio issues are rarely caused by failing hardware and are almost exclusively the result of driver conflicts introduced by Windows Update or residue from previous driver installations. By utilizing the manual installation method (Section 4, Step 3) with drivers specifically sourced from the Acer Support portal, audio functionality can be restored in 95% of cases.

Used to configure surround sound, microphone boost, and jack detection.

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If your Acer audio broke immediately after a Windows system update, Windows may have forced an incompatible generic audio driver onto your machine. You can easily roll this back to the previous, working version.

If you have tried all the driver-related steps above and your system still shows "No Audio Output Device Installed," it may indicate a loose internal speaker wire or a failing onboard sound card. In that scenario, contacting Acer support or utilizing an inexpensive external USB audio adapter can get your sound back up and running.

The safest and most reliable way to get the correct audio driver is directly from Acer. This ensures you get a driver specifically optimized for your exact motherboard and chassis configuration. Step 1: Identify Your Acer Model