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Like the title says, I have just installed Ubuntu 12.04 on my Toshiba Satellite P875-S7200 and I can connect to the internet via wifi but my computer doesn't seem to recognize when I plug in a wired connection. I know that there are no drivers on the Toshiba site that have anything to do with Linux as far as I can tell, and I have all the drivers for my windows partition (Which works flawlessly wired and wifi). Is there something simple that I am not doing to help it recognize the ethernet connection? Thanks for your responses!

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2 Answers 2

Try this:

sudo apt-get purge broadcom-sta-common broadcom-sta-source bcmwl-kernel-source
sudo apt-get install b43-fwcutter firmware-b43-installer

Restart , and then connect a ethernet cable update, and install drivers. Tell me if this works for you.

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It's the ethernet that's the problem, not wireless. The machine probably doesn't even have the Broadcom wireless chips, so this advice is totally useless. –  ubfan1 Dec 4 '13 at 6:17

The alx driver you probably need should be available in a later kernel than the default 12.04. Any 13.xx release should work out of the box for ethernet. You might try the 12.04.3 3.5.0 series kernel (the qualtal backports) linux-headers-generic-lts-quantal, linux-generic-lts-quantal, linux-image-generic-lts-quantal, and the quantal X server packages.

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