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I changed to Ubuntu 14.04 in this Compaq Presario V2000, but the wireless device (PCI) does not work. I already installed the drivers using ndiswrapper. But it still does not work.

What do I need to do to fix this problem?

TuKsn
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user287484
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    Welcome to Ask Ubuntu! Could you please expand on your question further? What wireless card are you using, was this card working on a prior system (before you installed Ubuntu?) What are some outputs? You could look at http://askubuntu.com/questions/14008/i-have-a-hardware-detection-problem-what-logs-do-i-need-to-look-into to help – No Time Jun 01 '14 at 21:09

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You likely have Broadcom chip, confirm this with 

lspci -vvnn

and look for the "Network controller" section, then find the chip on the first line after the {14e4,...) See http://wireless.kernel.org/en/users/Drivers/b43 for the correct driver, but it's probably b43. These days, the b43 driver works fine after you add the firmware, so add package linux-firmware-nonfree for any chip other than a 4306 rev before 3 For the older 4306 revs, use the b43legacy driver. Uninstall any ndiswrapper or other Broadcom drivers, and things should work.

ubfan1
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