The laptop does not play sound.
The problem may be that the volume is too low. While holding "Fn" (on the lower-left side of the keyboard), press "F12" repeatedly to increase the volume. Holding "Fn" and pressing "F11" decreases the volume.
The problem may be that the speakers are broken. Check the audio by plugging in headphones into the headphone jack under the left antenna and play a sound. If there is no sound, the sound card may be broken and must be replaced. If there is sound, the speakers may be broken and must be replaced.