I just bought a D-Link DWA-510. But I can't install it on my Debian 7 32 bits. And I want to use in a runlevel 3. How can I use this D-link? Thanks! 
How to install D-Link DWA-510 for Debian 7?
debian;wifi;drivers
In debian 7 is not possible to use apt-get install firmware-ralinkby default.The solution is hereYou have to download firmware-ralink and after use dpkg -i in this file. 