I have used the command
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sudo apt install --reinstall bcmwl-kernel-source
I have had it working on a previous installation of Linux Mint installed by someone else, I think 17.0. I was able to upgrade to 17.3 then upgraded to 18. Through all those iterations the wireless worked. I then broke my system trying to fix the printer function and decided to go ahead and do a fresh install of Linux 19.1 and have not been able to get the wireless to work.
I have found this and installed the installer:
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sudo apt install firmware-b43-installer
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inxi -Fxz
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System: Host: Wings-of-Sardior Kernel: 4.15.0-43-generic x86_64
bits: 64 gcc: 7.3.0
Desktop: Cinnamon 3.8.9 (Gtk 3.22.30-1ubuntu1)
Distro: Linux Mint 19 Tara
Machine: Device: portable System: Dell product: Latitude E4300 serial: N/A
Mobo: Dell model: 0D201R serial: N/A
BIOS: Dell v: A26 date: 06/04/2013
Battery BAT0: charge: 48.9 Wh 94.0% condition: 52.0/62.7 Wh (83%)
model: Samsung SDI DELL J163809 status: N/A
CPU: Dual core Intel Core2 Duo P9400 (-MCP-)
arch: Penryn rev.10 cache: 6144 KB
flags: (lm nx sse sse2 sse3 sse4_1 ssse3 vmx) bmips: 9576
clock speeds: max: 2401 MHz 1: 2394 MHz 2: 2446 MHz
Graphics: Card: Intel Mobile 4 Series Integrated Graphics Controller
bus-ID: 00:02.0
Display Server: x11 (X.Org 1.19.6 )
drivers: modesetting (unloaded: fbdev,vesa)
Resolution: 1280x800@59.99hz
OpenGL: renderer: Mesa DRI Mobile Intel GM45 Express
version: 2.1 Mesa 18.0.5 Direct Render: Yes
Audio: Card Intel 82801I (ICH9 Family) HD Audio Controller
driver: snd_hda_intel bus-ID: 00:1b.0
Sound: Advanced Linux Sound Architecture v: k4.15.0-43-generic
Network: Card-1: Intel 82567LM Gigabit Network Connection
driver: e1000e v: 3.2.6-k port: efe0 bus-ID: 00:19.0
IF: enp0s25 state: up speed: 1000 Mbps duplex: full mac: <filter>
Card-2: Broadcom Limited BCM4322 802.11a/b/g/n Wireless LAN Controller
driver: wl bus-ID: 0c:00.0
IF: wlp12s0 state: down mac: <filter>
Drives: HDD Total Size: 320.1GB (62.7% used)
ID-1: /dev/sda model: ST9320325AS size: 320.1GB
Partition: ID-1: / size: 293G used: 188G (68%) fs: ext4 dev: /dev/sda1
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 75.0C mobo: N/A
Fan Speeds (in rpm): cpu: N/A
Info: Processes: 193 Uptime: 11 min Memory: 1605.3/3897.7MB
Init: systemd runlevel: 5 Gcc sys: 7.3.0
Client: Shell (bash 4.4.191) inxi: 2.3.56
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lspci | grep -i wireless
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0c:00.0 Network controller: Broadcom Limited BCM4322 802.11a/b/g/n Wireless LAN Controller (rev 01)
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rfkill list
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0: dell-wifi: Wireless LAN
Soft blocked: no
Hard blocked: yes
1: dell-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: yes
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
4: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
this is the results of the wireless script:
https://termbin.com/10ed
I even tried the commands that worked for another user from this post:
Re: Cannot Enable Wifi Connection on Linux Mint 18.1
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sudo sed -i 's/WirelessEnabled=false/WirelessEnabled=true/' /var/lib/NetworkManager/NetworkManager.state
systemctl restart network-manager.service
Can anyone point me in a direction that might help get this resolved? I am adept at commands in the terminal, just not real versed in the needed commands.