Problems With Sound - Creative Sound Blaster X-Fi User Manual

Problems with Sound
No sound from the headphones.
Check the following:
The headphones are connected to the Headphone jack.
In the Speakers tab of Audio Console, the Headphones option is selected in
the Speaker/Headphone Selection box.
OR
In the speakers and headphone selection of Entertainment Mode, Game Mode or
Audio Creation Mode, the Headphones option is selected.
No audio output when playing digital files such as .WAV, MIDI files or AVI
clips.
Check the following:
The speakers' volume control knob, if any, is set at mid-range. Adjust the
volume mixer settings in Entertainment Mode or Game Mode, if necessary.
The powered speakers or external amplifier are connected to the card's Line
Out jacks.
There is no hardware conflict between the card and a peripheral device. See
Problems with Digital Audio Devices.
The speakers and headphone selection in Audio Console, Entertainment
Mode, Game Mode or Audio Creation Mode corresponds to your speaker or
headphone configuration.