Lifechat LX-3000 with drivers installed on Windows 7 will turn the volume up and down with the controls, but will not play back or record any sounds, and will not appear in the playback devices despite appearing under "devices" in the control panel. I've tried uninstalling and reinstalling the drivers with compatibility mode, attaching the headset before the install, during the install, after the install... How can it see the headset as fully working but not allow it a place in the playback devices? Currently the only playback devices available are the speakers: Realtek audio with 3 outputs, only 2 enabled, and only one of those is the speakers. None of the devices there are the headset.

SOURCE: I've just bought a Lifechat

Check there site for the the drivers.

You can get it here. http://www.microsoft.com/hardware/download/DownloadResult.aspx?category=ICE&type=Headsets&name=LX3000&os=WVista_32&lang=en

SOURCE: i have windows xp pro

http://www.microsoft.com/hardware/download/DownloadResult.aspx?category=ICE&type=Headsets&name=LX3000&os=WVista_32&lang=en

SOURCE: Headset isn't recognized by computer and audio doesn't go through headset

With the infamous Vista, try:
Start --> Control panel --> Hardware and sound --> Sound --> Audio devices admin [I have a Spanish OS, I hope it is the same in the English version], then assign as default device the headset.

With Skype and other sw, you have to specifically pick the lx-3000 as the device that will be used as audio device (and the same has to be done to use the mic).

Pretty cumbersome....

SOURCE: Is the LifeChat Lx-3000 Compatible with Mac Os X?

Hi,
I bought the headset recently and on first plug-in --- nothing! But then I realized that I had to open Sound in System Preferences and select them as the output choice. Works fine, though I haven't had a chance to test it out fully. But it works!

SOURCE: Microsoft LifeChat LX 3000 volume buttons on remote does not work

I tried following eligiomanuel's instructions. I have exactly the same problem and it didn't help. I've tried everything I can think of. Does anyone have any suggestions?