Network/browser issues after upgrade to 12.04

Posted by Reg on Ask Ubuntu See other posts from Ask Ubuntu or by Reg
Published on 2012-09-03T19:59:45Z Indexed on 2012/09/03 21:48 UTC
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12.04

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networking

I let my laptop upgrade to 12.04. And have no network afterwards. I went through all the articles I could find in google.

Right now, I can ping google, and yahoo, but not cnn.com for example or anything else. Firefox says it can't reach google.com or gmail.com (or anything, not even IP.

/etc/network/interfaces

dns-nameservers 8.8.8.8                       <<<<<added
auto lo
iface lo inet loopback

/etc/dhcp/dhclient.conf

#prepend domain-name-servers 8.8.8.8,8.8.4.4;
prepend domain-name-servers 127.0.0.1;                 <<<<< tried both

/etc/NetworkManager/NetworkManager.conf with and without dns=dnsmasq commented out.

I can ping my wireless router and connect to it just fine.

Have tried proxy/noproxy.

This looks like After Upgrade to 12.04 - cannot connect to network but no answer there.

I would hate to do a fresh install. Any assistance appreciated.

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