What wireless card do you use. Also use the search function on the forum since the answer to your question has most likely been adressed several times already.Problem 1
How do I configure it to access my WiFi network so I can access the internet? It says it cannot find any networks.
Try Kmix in the bottom right corner of your KDE desktop or amixer in case kmix does not help you out.Problem 2
How do I adjust the sound as it is very loud and I would like to mute it?