We have 4 computers in our flat. When I'm starting to use Ubuntu and when I'm connected to our network, at least one of them has connection problems, that is, their connection status says that everything is fine, but they can't, for example, explore the Internet or play online games. Nothing like that happens when I'm using Windows. How to fix it? My Ubuntu version is 13.10
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What is your wireless card?– Rafał CieślakOct 17, 2013 at 19:19
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1Could it be unproper ip-setup? Check to see that you haven't got the same ip-adresses. (in win run cmd.exe and write ipconfig, in ubuntu check connection information in the top right corner) Just a thought...– Björn RöyterOct 17, 2013 at 19:28
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IP are different. Any other thoughts? And my wireless card is Broadcom 802.11n, built-in on my laptop– TwórcaOct 17, 2013 at 20:09
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Some Broadcom cards cause such problems because the faulty proprietary driver is causing them to push too much power into the air, which temporarily deafens other devices askubuntu.com/questions/277064– Rafał CieślakOct 17, 2013 at 20:42
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Please run the terminal command: lspci -nn -d 14e4: Is your device by chance 14e4:4727?? It can be fixed.– chili555Oct 17, 2013 at 20:43
2 Answers
In Ubuntu 13.04, I believe the default bcmwl-kernel-source will not work correctly for your Broadcom 4313. I recommend that you get a temporary wired ethernet connection and open a terminal:
sudo apt-get remove --purge bcmwl-kernel-source
wget http://us.archive.ubuntu.com/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb
Or, if yours is a 32-bit system:
wget http://us.archive.ubuntu.com/ubuntu/pool/restricted/b/bcmwl/bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_i386.deb
Confirm 32- or 64-bit:
arch
Then do:
sudo dpkg -i bcmwl*.deb
Reboot and give us your report.
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Wow, man. How'd you guys figured it all out? I tried to google my problem and tips I saw there wasn't as specific and as accurate as yours. It's alright by now, my friends aren't experiencing any problems, neither am I. Really, really thanks. If anything bad will happen, I'll let you know.– TwórcaOct 17, 2013 at 23:29
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A decade of study and I'm starting to get the hang of it! Glad it's working.– chili555Oct 18, 2013 at 0:34
Have you check to see if your Ubuntu box is running a DHCP server?
It may be trying to act as a router.
Try this:
sudo ps -ef | grep dhcp
and if it returns anything, you might want to kill that process.
Post the results and I can help further.
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It returned the following: root 1717 1309 0 23:15 ? 00:00:00 /sbin/dhclient -d -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /run/sendsigs.omit.d/network-manager.dhclient-eth1.pid -lf /var/lib/NetworkManager/dhclient-e84c827b-0ae8-4305-8fb3-6aac18d1616a-eth1.lease -cf /var/lib/NetworkManager/dhclient-eth1.conf eth1 cielaq 2349 2278 0 23:17 pts/0 00:00:00 grep --color=auto dhcp– TwórcaOct 17, 2013 at 21:20
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That's not it. That's your client running. So, dhcp server isn't the issue.– DaShaunOct 18, 2013 at 19:29