mickey12

hello guys......I have a sound problem here..i am not able to hear any sound except the beeps which u get wen a popup or error occurs..i have installed XP service pack 3 on my laptop Compaq C740 TU which had Vista Home basic preinstalled on it..Now i have only XP on my machine....i have installed all d required drivers..i have the conexant high definition smartaudio 221 driver installed but wen i chek it in sound and audio device in control panel i find that it is not digitally signed...wen i type dxdiag and click on the sound tab it says..."No sound card was found. If one is expected, you should install a sound driver provided by the hardware manufacturer."....it gives no detail about the device name, device ID , product type and all other details....since i was getting errors installing the conexant audio driver for xp, i have installed the conexant audio driver for Vista home basic which was der on my laptop before and it has installed successfully...wen i try to play a sound file in VLC, it plays but i hear no sound...i mean i can see the song moving ahead in the progress bar but no sound....But wen i try to play the same file in windows media player, it gives an error...saying there is a problem with the sound device.....i have been searching the internet for many days but cud not find any solution to this....i need a solution very urgently and would be really appreciate if any of u could provide me wid one as early as possible......thanks alot...