Look at the speaker icon in the lower right hand of the desktop. If you do not see the speaker icon, click on the little arrow, in the lower right hand desktop. Set the speaker audio to: "show icon and notifications"
single click the speaker icon for the master volume control, double click the speaker icon for the audio mixer controls. Carefully check ALL the settings.
On some laptops, the audio controls are part of the keyboard (volume up, volume down)
Your speakers are plugged into the GREEN jack or the Headphone jack? (try headphone jack!)
No, a sound card will not usually solve the problem. Try everything above first, and then report your results here.
List your hardware.
ya all these things i have already checked.....
what hardware do u want to know......