No ethernet connection with new instal of 12.04 desktop on Dell Inspiron 1501 laptop - lshw says "network unclaimed"

[Dave Woyciesjes]

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

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"The problem with troubleshooting is that trouble shoots back."
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