Wireless card not recognized

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http://crunchbanglinux.org – I have a brand new Dell Latitude E6430 with a Dell Wireless 1540 802.11a/n Dual Band, High Speed Wi-Fi Half Mini-card.  I don't have the option to connect to a wireless network.  It does not appear if the OS recognizes that a wireless card is present.  There appears to be a switch on the side for turning wireless on and off, but switching it back and forth does not seem to do anything.How do I begin debugging this? (HowTos)