sound configuration in Debian

Hi, I use a Sound Blaster PCI sound card but my X-Window cannot recognise it. It displays a message saying "/dev/dsp cannot be opened. Permission denied. Sound output is null". Can someone tell me how to configure my sound card on Debian. PS. Thanx to everyone who's helped me configure my wirel

Mouse configuration

Hi. I am having problems configuring my mouse properly with Debian. When i run startx, the GUI is activated and all is fine except i can't use my mouse. I have a wireless Microsoft Optical Mouse and a Wireless Multimedia keyboard (as a package). What do I need to do to make it work? Also, my so