Solved: due to microsoft dropping support for windows xp, i upgraded my laptop to windows 7, after install no sound. further investigation revealed - 3753488. Windows 7 audio drivers download tool - download & update windows 7 audio drivers for your computer - free drivers scan & automatic updates. No audio or sound is missing on windows 10/8/7 computer recommended: click here to repair windows problems & optimize system performance some of you may have faced this problem at some point.
Windows 10 has a built-in troubleshooter to check and fix issues with sound. i would suggest you to run this troubleshooter to check if the issue is with your audio i would suggest you to run this troubleshooter to check if the issue is with your audio. If prompted for a location of drivers, try pointing it to your sound card cd or your windows cd. if this does not work or is unable to locate the proper files, you need to get the latest sound drivers from your sound card manufacturer.. Go to your computer manufacture's support web site and download all the windows 7 device drivers. then start by installing the chipset/motherboard driver, followed by the sound chip/card driver and then all remainig drivers..