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No Wireless with Dell Inspiron 1501
I'm new to the world of linux-based os. I over-writed windows xp with 11.04 on a dell inspiron 1501. Wireless picked itself up and everything worked great. When updates to the os presented themselves, I always clicked yes and it all worked; I assumed that a new distro would naturally work but when I dl'ed it 'was missing some firmware' (I didn't make note of what firmware it was missing). I have scoured the forums for a solution and nothing has worked. In dummy language, please tell me what to do so that my wireless-capable laptop can go wireless again.
I've tried to reinstall 11.04 all over and it still won't pick up the signal; I've tried to install the latest distro of Kubuntu and it didn't work. At this point I have 11.10 installed and can only use it through a wired connection.