![]() ![]() The audio logo tests include several test cases that validate the zero glitch requirement. Improperly connected or missing cables result in failures, such as very low THD+N. Make sure that you have the cables connected properly. ![]() Confirm that the test environment is set up correctly. To check endpoints in the recording tab for streaming capability, speak into the microphone and confirm that the meter moves. You should hear audio from the endpoint and see the corresponding meter move. To check endpoints on the playback tab for streaming capability, right-click the endpoint and select Test. To make sure that all devices are visible, right-click the background of the control panel and verify that both Show Disabled Devices and Show Disconnected Devices are checked. Sometimes devices do not display if they were disconnected or disabled. All devices on both the playback and recording tabs should show as being connected. To verify that all devices are connected, open the sound control panel by typing mmsys.cpl from a command prompt window. This includes but is not limited to headphones, high definition multimedia interface (HDMI), DisplayPort, Sony/Philips digital interface (S/PDIF), and other endpoints. Make sure that all audio endpoints are connected and capable of streaming. ![]() To troubleshoot general audio test issues, start with the following steps: This article describes how to troubleshoot problems that can occur during Windows Hardware Lab Kit (Windows HLK) Device.Audio and System.Fundamentals audio tests. ![]()
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