Your sound card hasn't been installed properly, at all, or isn't recognised by xp, download and run belarc advisor from click here it should tell you what you have installed so you can download the correct driver.
HP Envy x2 review: Hands-on
Iconic New York graphic designer Milton Glaser on his uplifting new subway posters
New iMac Pro release date, UK price & specs rumours
Comment suivre le parcours du père Noël ?