Can't connect to internet on 10.10 x64

**srinurockz** · October 13th, 2010

I've installed ubuntu 10.10 dual booting with win 7. My internet connection is Direct DSL wired line to my modem. I dont have any wireless connections.

I'm unable to connect to my wired connection and i'm looking for a help to solve it.

I even got connected using live CD of Ubuntu and after my installation too I got connected for the first time, very well without any problems. But eventually after updating my system using update manager and then reboot I couldn't get a connection.

Even now, just using my live CD I can connect to internet.. but not with the actually Ubuntu Installed.

Maybe this info can be helpful

ifconfig -a output

Code:

eth0      Link encap:Ethernet  HWaddr 00:19:d1:87:74:dc  
          inet6 addr: fe80::219:d1ff:fe87:74dc/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2 errors:0 dropped:0 overruns:0 frame:0
          TX packets:21 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:120 (120.0 B)  TX bytes:4865 (4.8 KB)
          Interrupt:20 Memory:52200000-52220000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:12 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:720 (720.0 B)  TX bytes:720 (720.0 B)

sudo lshw -C network output

Code:

*-network               
       description: Ethernet interface
       product: 82566DC Gigabit Network Connection
       vendor: Intel Corporation
       physical id: 19
       bus info: pci@0000:00:19.0
       logical name: eth0
       version: 02
       serial: 00:19:d1:87:74:dc
       size: 100MB/s
       capacity: 1GB/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=1.0.2-k4 duplex=full firmware=1.1-0 latency=0 link=yes multicast=yes port=twisted pair speed=100MB/s
       resources: irq:46 memory:52200000-5221ffff memory:52224000-52224fff ioport:20c0(size=32)

sudo dhclient eth0 output

Code:

Internet Systems Consortium DHCP Client V3.1.3
Copyright 2004-2009 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/eth0/00:19:d1:87:74:dc
Sending on   LPF/eth0/00:19:d1:87:74:dc
Sending on   Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 20
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
No DHCPOFFERS received.
No working leases in persistent database - sleeping.

Any help is greatly appreciated

**srinurockz** · October 13th, 2010

anyone got any suggestions for this?

**johnnytm** · October 13th, 2010

eth0 is generally the wired connection. Doesn't look like u have wireless installed. Connect the wired connection and use system-->administration-->additional drivers to check for available wireless drivers. in fact your *network output confirms only an ethernet interface installed.

**srinurockz** · October 13th, 2010

Originally Posted by johnnytm

eth0 is generally the wired connection. Doesn't look like u have wireless installed. Connect the wired connection and use system-->administration-->additional drivers to check for available wireless drivers. in fact your *network output confirms only an ethernet interface installed.

Sorry, for the ambiguity !! I'm looking to connect to my wired connection. Now I've mentioned in my opening post, I'm unable to connect to my wired connection.

And yes, there is NO wireless connection in my system nor I want it.

I'm just looking for a help on my wired connections settings.

**Huntly** · October 18th, 2010

Wondering if you've been able to solve this; having the same issue myself. I'm having to unplug/power off the DSL modem for the connection to be reestablished.