Sound Editor Listening to sounds Wont WORK

When i select a sound and press play its not letting out any sounds.

It used to work before.

The sound works on when playing the map in game and my WE isnt mute.

Whats the problem here?!?

Plz post back with answer.

Try these, in order.

1) Check that your speaker cables are in the correct port.

2) Control Panel - Sounds and Audio Devices - then the Audio tab. Check that the right soundcard is selected.

3) Whilst in the Sound and Audio Devices, click Volume and then Advanced. Check that nothing is set to mute except for 'line-in' and 'microphone'.

4) Check your audio options in WC3. Maybe you pressed a key combination to disable sound.

5) If none of THAT works... update your drivers, check your soundcard physicially, reinstall it and then WC3.

6) Sacrifice a goat whilst dancing naked covered in its innards (An extreme measure).