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Can anyone explain and easy way in Ubuntu to drop back to a previous upgrade. I'm using dapper beta 2 and todays upgrade resulted in me loosing my wifi card under networking so I would like to step back the upgrade and work on this problem at a later date.
You say you had a wifi card that worked out of the box?
What exactly is missing - it may be as simple as apt-get install/upgrade <module name>.
What is this card?
Image? What image? The kernel bzimage?
Check the grub menue to see if you still have older kernels present. Use that to try booting the older kernel.
Used grub and rebooted to older kernel have wifi back. Does this mean any future kernel upgrade will not recognize my wifi card?
I don't know, but Dapper's still in Beta. The whole point of the Beta release is testing. File a bug report on this, and maybe it'll be fixed before the June 1 release.
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