You cant physically install a soundcard as in a desktop soundcard into a laptop. The nearest thing you can get to one, is an external soundcard that conencts through a USB or the like. Such as this one here : http://www.maplin.co.uk/Module.aspx?ModuleNo=97120 :
This is basically a sound card that attaches to your PC/Laptop with a USB cable.
Serunson
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Chances are that your laptop is already equipped with some basic soundcard and speakers. It may be that all you need to do is to reinstall the drivers.
Chaky
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