Hello, i have installed the new version of Ubuntu 9.10 on my laptop DELL XPS 1530 and the WIFI isnt working and dont know why??? But in the Previous Version of Ubuntu the Wireless was working Fine... without doing anything...

Marvell Technology Group Ltd. 88E8040 PCI-E Fast Ethernet Controller (rev 12)
Broadcom Corporation BCM4312 802.11a/b/g (rev 01)

This is the Type of modem i have