There no audio in pc.i already install audio driver but there is no sound

Hello
Try these steps 1. Check cables, make sure the audio cable is in the correct colored connector. make sure the power is hooked up 2. check power, make sure the speakers are turned on if needed 3, check volume. turn it up on the speakers themselves. then check the volume in windows (often located by the clock in the lower right part of the screen. or you can search thru windows control panel under sound. Or you can open windows media player and turn up the volume/unmute there 4. update drivers which you said you did 5. test a wide variety of audio thru a wide variety of different sources. windows media player, youtube, pandora.com etc.
If none of this works then its time for trial and error. You will want to try the spearks in a known good computer. or try known good speakers with your computer. see if you can figure out which is the problem. you may have a defective sound card or the speakers may be defective. at which time you will need to replace.
Hope this helps, good luck!