Author Topic: No network - new installation  (Read 116 times)

Offline batman

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No network - new installation
« on: October 13, 2020, 06:25:21 am »
Trying to resurrect an older laptop, I previously had Fedora on it, it worked great, but I could not upgrade past version 29, I installed Peppermint, but now I have no network, ethernet, or wifi:
inxi -Fz
System:    Host: Family Kernel: 5.4.0-48-generic i686 bits: 32 Desktop: N/A
           Distro: Peppermint Ten
Machine:   Device: portable System: Dell product: MP061 serial: N/A
           Mobo: Dell model: 0FF049 serial: N/A BIOS: Dell v: A04 date: 09/29/2006
Battery    BAT0: charge: 41.5 Wh 100.0% condition: 41.5/53.3 Wh (78%)
CPU:       Dual core Intel T2250 (-MCP-) cache: 2048 KB
           clock speeds: max: 1733 MHz 1: 824 MHz 2: 808 MHz
Graphics:  Card: Intel Mobile 945GM/GMS 943/940GML Express Integrated Graphics Controller
           Display Server: x11 (X.Org 1.20.4 )
           drivers: intel (unloaded: modesetting,fbdev,vesa)
           Resolution: 1600x1200
           OpenGL: renderer: Mesa DRI Intel 945GM x86/MMX/SSE2
           version: 1.4 Mesa 19.0.8
Audio:     Card Intel NM10/ICH7 Family High Def. Audio Controller
           driver: snd_hda_intel
           Sound: Advanced Linux Sound Architecture v: k5.4.0-48-generic
Network:   Card-1: Broadcom and subsidiaries BCM4401-B0 100Base-TX
           IF: N/A state: N/A speed: N/A duplex: N/A mac: N/A
           Card-2: Broadcom and subsidiaries BCM4311 802.11b/g WLAN
           IF: N/A state: N/A mac: N/A
Drives:    HDD Total Size: 63.0GB (12.4% used)
           ID-1: /dev/sda model: SanDisk_SSD_U110 size: 63.0GB
Partition: ID-1: / size: 58G used: 7.3G (14%) fs: ext4 dev: /dev/sda1
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 36.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A fan-2: 0
Info:      Processes: 158 Uptime: 22 min Memory: 245.6/987.7MB
           Client: Shell (bash) inxi: 2.3.56


sudo lspci -vnn | grep -i net
03:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
0c:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)

sudo lshw -C network
  *-network UNCLAIMED       
       description: Network controller
       product: BCM4311 802.11b/g WLAN
       vendor: Broadcom Inc. and subsidiaries
       physical id: 0
       bus info: pci@0000:0c:00.0
       version: 01
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:efdfc000-efdfffff
  *-network UNCLAIMED
       description: Ethernet controller
       product: BCM4401-B0 100Base-TX
       vendor: Broadcom Inc. and subsidiaries
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: pm bus_master cap_list
       configuration: latency=64
       resources: memory:ef9fe000-ef9fffff

ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 610  bytes 48484 (48.4 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 610  bytes 48484 (48.4 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

sudo iwlist scan
lo        Interface doesn't support scanning.

rfkill list
0: hci0: Bluetooth
   Soft blocked: no
   Hard blocked: no[/font]
I would appreciate any hints on how to fix this, I have played with the network settings with no change in status.
Thanks

Online VinDSL

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Re: No network - new installation
« Reply #1 on: October 13, 2020, 07:53:45 am »
I 'resurrected' my Dell ATG D630 laptop, last week, and ran into the same Broadcom sniggle.

I have meetings this morning, so I'll need to give you a brief reply.

Check out this discussion: https://is.gd/BtHVJI. That's where I found the fix, for my situation.

Basically, Linux sees the network hardware and installs a 'Broadcom STA' driver. However, the 'Broadcom STA' driver was a 'bad guess' and  needs to be removed and replaced. It makes network connections undiscoverable.

Hope this helps. Gotta run. BBL


Online VinDSL

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Re: No network - new installation
« Reply #2 on: October 13, 2020, 09:10:04 am »
Fired up my 'resurrected' lappy. Here are a couple of visuals, that might help...

I'm ignoring the horribly old and stale Broadcom STA driver, and purged it from my system.




My Broadcom BCM card has full (IPv4 & IPv6) connectivity over both WiFi and Ethernet now.



Okay, I'm back on the trot, again...   :)
« Last Edit: October 13, 2020, 12:22:19 pm by VinDSL »

Offline rayzer

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Re: No network - new installation
« Reply #3 on: October 13, 2020, 01:29:24 pm »
if you can get a wired connection plug er in then..

sudo apt install dkms broadcom-sta-dkms

then reboot. see if that works
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Offline batman

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Re: No network - new installation
« Reply #4 on: October 13, 2020, 07:14:28 pm »
Thanks VinDSL, that got my wired connection working, I think if I go through all the stuff in the link I am bound to find right driver for the WiFI.  Appreciate the help.