How to Fix the No Audio Output Device Is Installed Error by Updating Audio Driver Step 1: Click on Start (Windows logo) or press the WIN key on your keyboard, then search for 'device manager'. Step 2: Expand “Audio inputs and outputs”. Step 3: Right-click on your audio device and select 'Update driver'. Step 4: Choose “Search automatically for updated driver software”. Windows will now search the internet for an updated audio driver and install it for your computer. How to Fix the No Audio Output Device Is Installed Error by Uninstalling your Audio Device #MECER Z140C SOUND DRIVERS WIN 10 INSTALL# #MECER Z140C SOUND DRIVERS WIN 10 HOW TO# Step 1: Press the WIN (Windows logo) key on your keyboard, then search for 'device manager'. Step 3: Right-click on your audio device and select 'Uninstall device' Step 2: Expand “Audio inputs and outputs” Click on the first search result or press ENTER. Step 4: Restart your computer and a newer version of your audio device will be downloaded for you. #MECER Z140C SOUND DRIVERS WIN 10 UPGRADE#.#MECER Z140C SOUND DRIVERS WIN 10 UPDATE#.#MECER Z140C SOUND DRIVERS WIN 10 INSTALL#.#MECER Z140C SOUND DRIVERS WIN 10 HOW TO#.