How do I record sound from my computer system from a screen recording software

For a lot of sound such as you want or "streaming audio" from the internet it requires that the sound system have the "System Mixer" capability (SoundBlaster calls this "what you hear").  Unfortunately, many Vista and Win 7 sound modules - all PC's not just Dell - do not have this capability.    You do have the "line in" (for stereo) and Mic (for mono) recording capability. 

To check to see if your system has the System Mixer, click on Start then Control Panel, then Hardware and Sound and finally Sound.  In the Sound panel click on the Recording Tab and if the System Mixer is listed set it as the default playback device.  If the System Mixer is not listed, RIGHT click in a blank area in the Recording Panel and then click the option to show disabled devices.  If the System Mixer was one of the disabled devices it will be displayed and you will be able to set it as default.   If the System Mixer is not one of the disabled devices you do not have this capability. 

You can look around for a non-Dell sound driver for your sound, e.g. RealTek if you have the standard integrated (on the motherboard) audio system.  However, from past posts on this forum it's iffy if you get a non-Dell sound driver to work.   Your other option is to install a PCI sound card that does have the System Mixer/What You Hear capability and is Windows 7 compatible.  SOME SoundBlasters have the capability, but not all.  The HT Omega "Striker 7.1" sound card DOES have the System Mixer capability and is Vista and Windows 7 compatible.   The only problem with using a separate sound card is that in most cases you will lose the front panel headphone and mic jack capability due to proprietary Dell wiring. 

Hey, the one I used can satisfy your requirement. The screen recorder can record screen with audio from the speakers or your voice from the microphone. It also can help you record video through your webcam. I often use it to record web camera video when I was making video calls with my friends.

I just want to know if you got the way to record your video with sound?

Hi, if you are running vista home on your desktop, it is possible to record sound from PC. For recording sound playing on video or webcam, you would figure it out by audio programs or camtudio.

You might upgrade your sound card drive for a try, it should fix the problem. As for recording Audio and Video, I always use acethinker free screen recorder to do the job, works like a charm. It's a web-based application, you don't have to download or install anything. Hope it helps you.