Ubuntu 12.04 doesn't read ethernet cable and I cannot activate wifi driver

[michi3]

Hi! I have an Hp mini 1000 with XP. I installed Ubuntu 12.04 LTS (32 version) but I don't have wifi. I plugged my netbook to my ethernet cable but it doesn't read it either.
I read another posts to try to fix it by myself but I was unsuccessful.
I tried the following codes:

rfkill list all

0:hp wifi: wireless LAN
soft block:no
hard block:no
1::hp wwan: wireless wan
soft block:yes
hard block:no

lspci --nn | grep 0280

lspci:invalid option -- '-'
usage:lspci [<switches>]

Any help will be greatly appreciated . Thanks

[chili555]

lspci --nn | grep 0280

lspci:invalid option -- '-'
usage:lspci [<switches>]

It is actually:

lspci -nn | grep 0280

Not --nn. Since we're also looking at ethernet, please let us see:

lspci -nn | grep -e 0280 -e 0200

Thanks.

[michi3]

I wrote
lspci -nn | grep -e 0280 -e 0200

I got
01:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY[14e4:4315](rev01)

[chili555]

We see no ethernet yet. Let's widen the search:

lspci -nn
lsusb

[michi3]

Thanks Chili for your help
I input

lspci -nn

and I got this


s Integrated Graphic Controller[8086:27ae] (rev 03)
00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME, 943/9
40 GML Express Graphic Integrated Controller [8086:27a6] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition
Audio Controller [8086:27d8] (rev02)
00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1
[8086:27d0] (rev02)
00:1c.1 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 2
[8086:27d2] (rev02)
00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Contr
oller #1 [8086:27c8] (rev02)
00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Contr
oller #2 [8086:27c9] (rev02)
00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Contr
oller #3 [8086:27ca] (rev02)
00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Contr
oller #4 [8086:27cb] (rev02)
00:1d.7 PCI bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bri
dge [8086:27b9] (rev02)
00:1f.1 IDE interface [0101]: Intel Corporation 82801G (ICH7 Family) IDE Control
ler [8086:27df] (rev02)
00.1f.3 SMBus [0c05]: Intel Corporation NM10/ICH7 Family SMBus Controller [8086:
27da] (rev02)
01.00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY
[14e4:4315] (rev 01)

lsusb

Bus 001 Device 002: ID 10f1:1a08 Importek Internal Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

[chili555]

We still see no ethernet. Does your device actually have one? Is it defective? Is it enabled in the BIOS?

Let's fix the wireless without ethernet. Please download this file on any other computer. Transfer it on a USB key or similar and drag and drop it to the desktop. http://mirrors.kernel.org/ubuntu/poo...e_1.11_all.deb

Now we install it:

cd ~/Desktop
sudo dpkg -i linux*.deb

Now unload and reload the driver so it sees the shiny new firmware:

sudo modprobe -r b43 && sudo modprobe b43

Your wireless should now be working.

[michi3]

I downloaded the file to my USB. I followed all the steps that you mentioned Chili555 and when I opened network folder suddenly appeared wifi. So it is working right now.
Thanks a lot Chili555

[chili555]

Awesome! Please use thread tools at the top to mark Solved.

Note to the searchers: this solution is for Broadcom Corporation BCM4312 802.11b/g LP-PHY
[14e4:4315] (rev 01) only. If this isn't your device, please post a new question with your details.