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I have the BCM43225 chip in my Acer Aspire One netbook running 12.04 32-bit. My wireless had been working just fine (with the exception of enterprise networks not being able to connect to the internet...but that is another story) until I updated the Broadcom STA wireless driver a couple days ago.

Ever since, the wireless will randomly disconnect from the network ever half hour or so and take around a minute or two to reconnect. Any ideas what is going on?


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look at this post it may help.… – Mattlinux1 May 9 '12 at 1:44
possible duplicate of Wireless doesn't work on a Broadcom BCM4312 – jokerdino Jul 8 '12 at 13:00

If you have a Broadcom B43xxx. Disable the STA driver, reboot, connect the Ethernet cable to get to the Internet, and run this command:

sudo apt-get install firmware-b43-installer
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Check out this answer to the respective question, which is very similar to yours.

The only difference I could find (I am the author of the linked question and answer) was that the interruptions were a lot more frequent in my case, but perhaps the problem is the same one. It seems that the 12.04 upgrade brought problems to many of the Broadcom network card users.

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