Problem You are unable to get any sound via your HDMI connection to your Mac when using a Mini DisplayPort or Thunderbolt adapter. This may have occurred after upgrading to the Lion operating system. Solution Try the following: Check the device is selected as it may not work automatically: Click the Apple icon in the top left of the… Continue reading No HDMI sound using Mini DisplayPort or Thunderbolt
Problem With Windows 7 installed on your MacBook, you are unable to hear any sound. Windows may show that it is detecting levels of sound but you are unable to hear anything. Solution Download the compatible audio driver.
Problem SAPI 4 voices fail to speak. Sometimes, the failure can happen the first time they try to speak. Other times, a voice might work for a while, then fail. Solution TotalRecorder must not be selected as the default audio device. Click the Start button (Windows XP users should then click Run). Type mmsys.cpl and press… Continue reading Voices not speaking in Kurzweil
Problem When using Parallels Desktop, the sound is distorted and crackling. However, in Mac OS X it is fine. Solution In Parallels, click Configure. On the left hand side, under the Hardware category, click Sound. Manually assign the Output and Input for the sound devices.
Problem Parallels Desktop may not detect your USB microphone or may have issues with recording. Solution Quit Parallels Desktop. Click the Apple icon in the top left. Click System Preferences. Click Sound. Set your USB microphone as the default input in Sound. If there is crackling or clipped input, then adjust the input volume in… Continue reading Troubleshooting USB Microphones in Parallels