No ethernet connection with new instal of 12.04 desktop on Dell Inspiron 1501 laptop - lshw says "network unclaimed"
Dave Woyciesjes
woyciesjes at sbcglobal.net
Tue Nov 12 16:34:07 UTC 2013
On 11/12/2013 11:12 AM, Andrew wrote:
> I've installed 12.04 (Precise Pangolin) on Dell Inspiron 1501 laptop and
> can't get ethernet to work when booting/running from hard disk
> installation - however ethernet does work when running from live CD/DVD.
> Never had this problem before with previous versions - last one was
> 10.04 with which both ethernet and wireless network connections worked
> fine. I've trawled through various forum postings but to no avail so am
> asking ubuntu Users List for help please.
>
> For information, 'lshw -c network' outputs are as follows:
>
> Running from normal/hard disk installation (no ethernet):
>
> *-network
> description: Network controller
> product: BCM4311 802.11b/g WLAN
> vendor: Broadcom Corporation
> physical id: 0
> bus info: pci at 0000:05:00.0
> version: 01
> width: 32 bits
> clock: 33MHz
> capabilities: pm msi pciexpress bus_master cap_list
> configuration: driver=wl latency=0
> resources: irq:18 memory:c0200000-c0203fff
> *-network UNCLAIMED
> description: Ethernet controller
> product: BCM4401-B0 100Base-TX
> vendor: Broadcom Corporation
> physical id: 0
> bus info: pci at 0000:08:00.0
> version: 02
> width: 32 bits
> clock: 33MHz
> capabilities: pm bus_master cap_list
> configuration: latency=64
> resources: memory:c0300000-c0301fff
>
> Running from live CD/DVD (ethernet connection works):
>
> *-network
> description: Network controller
> product: BCM4311 802.11b/g WLAN
> vendor: Broadcom Corporation
> physical id: 0
> bus info: pci at 0000:05:00.0
> version: 01
> width: 32 bits
> clock: 33MHz
> capabilities: pm msi pciexpress bus_master cap_list
> configuration: driver=b43-pci-bridge latency=0
> resources: irq:18 memory:c0200000-c0203fff
> *-network
> description: Ethernet interface
> product: BCM4401-B0 100Base-TX
> vendor: Broadcom Corporation
> physical id: 0
> bus info: pci at 0000:08:00.0
> logical name: eth0
> version: 02
> serial: 00:19:b9:6f:77:bc
> size: 10Mbit/s
> capacity: 100Mbit/s
> width: 32 bits
> clock: 33MHz
> capabilities: pm bus_master cap_list ethernet physical mii 10bt
> 10bt-fd 100bt 100bt-fd autonegotiation
> configuration: autonegotiation=on broadcast=yes driver=b44
> driverversion=2.0 duplex=half ip=192.168.0.15 latency=64 link=yes
> multicast=yes port=twisted pair speed=10Mbit/s
> resources: irq:21 memory:c0300000-c0301f
>
> As I said above I get ethernet OK when running from live CD/DVD, but not
> wireless - I can't install the wireless driver. I've come to a bit of a
> dead-end with this now so any help will be much appreciated.
>
> Andy
>
>
Does the install show if additional drivers were installed for the
ethernet adapter? If so, try removing those.
As a temporary work-around, do you have a USB network adapter?
--
--- Dave Woyciesjes
--- ICQ# 905818
--- CompTIA A+ Certified IT Tech - http://certification.comptia.org/
--- HDI Certified Support Center Analyst - http://www.ThinkHDI.com/
Registered Linux user number 464583
"Computers have lots of memory but no imagination."
"The problem with troubleshooting is that trouble shoots back."
- from some guy on the internet.
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