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[ubuntu] Help! Wireless card disabled, unable to enable it

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http://ubuntuforums.org – I can't connect to the Internet through my wireless card. Plus, it's disabled and I can't enable it. It's grayed-out in the Network Manager on the top panel. I ran this code in a terminal: Code: *****@ubuntu:~$ sudo lshw -C network [sudo] password for ******:   *-network DISABLED            description: Wireless interface       product: PRO/Wireless 3945ABG [Golan] Network Connection       vendor: Intel Corporation       physical id: 0       bus info: pci@0000:0c:00.0       logical name: wmaster0       version: 02       serial: 00:1b:77:9c:17:57       width: 32 bits       clock: 33MHz       capabilities: pm msi pciexpress bus_master cap_list logical ethernet physical wireless       configuration: broadcast=yes driver=iwl3945 latency=0 multicast=yes wireless=IEEE 802.11abg       resources: irq:29 memory:f9fff000-f9ffffff   *-network       description: Ethernet interface       product: BCM4401-B0 100Base-TX       vendor: Broadcom Corporation       physical id: 0       bus info: pci@0000:03:00.0       logical name: eth0       version: 02       serial: 00:1c:23:8d:75:31       size: 100MB/s       capacity: 100MB/s       width: 32 bits       clock: 33MHz       capabilities: pm bus_master cap_list ethernet physical mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation       configuration: autonegotiation=on broadcast=yes driver=b44 driverversion=2.0 duplex=full ip=192.168.0.80 latency=64 link=yes multicast=yes port=twisted pair speed=100MB/s       resources: irq:17 memory:f9bfe000-f9bfffff How do i enable it? or do i have to reinstall my wireless drivers? btw, I'm running Ubuntu 9.10 64 bit (HowTos)