Network drops out intermittently<Solved>

[lsemmens]

Intermittently on my laptop the wireless network drops out and will not reconnect until I re-boot. Occasionally all I need do is turn off wi-fi on the lappy and turn it on again and it detects and connects. Other times it tells me that my WAP is available but will not connect to it. Often I am watching netflix on my wired connection at the same time so I know it has nothing to do with my ISP. I do have other items connected wirelessly (ARLO cameras, mobile phone, tablet - all seem ok) The laptop is the only device displaying this issue. Were it hardware I'd consider that the problem would remain after a reboot, but computer reboots and wifi works immediately. I can sometimes use my computer all day with no issues often the problem seems to occur after the machine has been idle (i.e. sleep mode active) tonight , it decided to disconnect whilst I was browsing the 'net. If I could find something that consistently made it fail, I can then attempt to circumvent that issue, at this stage I'm at a loss. Yes! my system is up-to date. Any suggestions would be greatly appreciated. Thank you.

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leigh@leigh-HP-ProBook-470-G2:~$ inxi -Fxxxzd
System:
  Kernel: 5.4.0-74-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 
  Desktop: Cinnamon 4.8.6 wm: muffin 4.8.1 dm: LightDM 1.30.0 
  Distro: Linux Mint 20.1 Ulyssa base: Ubuntu 20.04 focal 
Machine:
  Type: Laptop System: Hewlett-Packard product: HP ProBook 470 G2 
  v: A3009DD10303 serial: <filter> Chassis: type: 10 serial: <filter> 
  Mobo: Hewlett-Packard model: 2249 v: KBC Version 67.24 serial: <filter> 
  BIOS: Hewlett-Packard v: M74 Ver. 01.09 date: 01/26/2015 
Battery:
  ID-1: BAT0 charge: 43.4 Wh condition: 43.4/43.4 Wh (100%) volts: 12.3/10.8 
  model: Hewlett-Packard Primary type: Li-ion serial: <filter> status: Full 
CPU:
  Topology: Dual Core model: Intel Core i5-4210U bits: 64 type: MT MCP 
  arch: Haswell rev: 1 L2 cache: 3072 KiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx 
  bogomips: 19154 
  Speed: 798 MHz min/max: 800/2700 MHz Core speeds (MHz): 1: 798 2: 798 
  3: 798 4: 799 
Graphics:
  Device-1: Intel Haswell-ULT Integrated Graphics vendor: Hewlett-Packard 
  driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0a16 
  Device-2: AMD Topaz PRO [Radeon R5 M255] vendor: Hewlett-Packard 
  driver: amdgpu v: kernel bus ID: 0a:00.0 chip ID: 1002:6901 
  Display: x11 server: X.Org 1.20.9 driver: amdgpu,ati,modesetting 
  unloaded: fbdev,vesa resolution: 1600x900~60Hz 
  OpenGL: renderer: Mesa DRI Intel HD Graphics 4400 (HSW GT2) 
  v: 4.5 Mesa 20.2.6 compat-v: 3.0 direct render: Yes 
Audio:
  Device-1: Intel Haswell-ULT HD Audio vendor: Hewlett-Packard 
  driver: snd_hda_intel v: kernel bus ID: 00:03.0 chip ID: 8086:0a0c 
  Device-2: Intel 8 Series HD Audio vendor: Hewlett-Packard 
  driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:9c20 
  Sound Server: ALSA v: k5.4.0-74-generic 
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
  vendor: Hewlett-Packard driver: r8169 v: kernel port: 4000 bus ID: 08:00.0 
  chip ID: 10ec:8168 
  IF: enp8s0 state: down mac: <filter> 
  Device-2: Broadcom and subsidiaries BCM43228 802.11a/b/g/n driver: wl 
  v: kernel port: 4000 bus ID: 09:00.0 chip ID: 14e4:4359 
  IF: wlo1 state: dormant mac: <filter> 
Drives:
  Local Storage: total: 234.73 GiB used: 183.93 GiB (78.4%) 
  ID-1: /dev/mmcblk0 model: SD02G size: 1.84 GiB serial: <filter> 
  scheme: MBR 
  ID-2: /dev/sda vendor: Western Digital model: WDS250G2B0A size: 232.89 GiB 
  speed: 6.0 Gb/s serial: <filter> rev: 90WD scheme: MBR 
  Optical-1: /dev/sr0 vendor: hp model: DVDRW GUB0N rev: UB00 
  dev-links: cdrom,cdrw,dvd,dvdrw 
  Features: speed: 24 multisession: yes audio: yes dvd: yes 
  rw: cd-r,cd-rw,dvd-r,dvd-ram state: running 
Partition:
  ID-1: / size: 227.74 GiB used: 183.93 GiB (80.8%) fs: ext4 dev: /dev/sda5 
Sensors:
  System Temperatures: cpu: 41.5 C mobo: N/A gpu: amdgpu temp: 127 C 
  Fan Speeds (RPM): N/A 
Info:
  Processes: 221 Uptime: 2h 46m Memory: 7.19 GiB used: 1.38 GiB (19.2%) 
  Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 Shell: bash 
  v: 5.0.17 running in: gnome-terminal inxi: 3.0.38 

[Larry78723]

See if this helps. Open a terminal and run the following code:

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sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf 

Reboot

[lsemmens]

Thanks, will see how it goes,

[lsemmens]

Still drops out intermittently.

[Larry78723]

Try running without the phone connected to the laptop. I've noticed that there have been wifi issues with some phones connected.

[kelebek333]

Device-2: Broadcom and subsidiaries BCM43228 802.11a/b/g/n driver: wl
v: kernel port: 4000 bus ID: 09:00.0 chip ID: 14e4:4359

Remove bcmwl-kernel-source package and install firmware-b43-installer package for this device with following commands.

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sudo apt purge bcmwl-kernel-source
sudo apt install firmware-b43-installer

Then reboot.

[lsemmens]

Try running without the phone connected to the laptop. I've noticed that there have been wifi issues with some phones connected.

What makes you think that I have a phone connected to my lappy? The ONLY time it's connected to a computer is when I'm transferring songs from my desktop (hard wired) and another lappy next to my bed for charging. NEVER to this one.

[lsemmens]

Device-2: Broadcom and subsidiaries BCM43228 802.11a/b/g/n driver: wl
v: kernel port: 4000 bus ID: 09:00.0 chip ID: 14e4:4359

Remove bcmwl-kernel-source package and install firmware-b43-installer package for this device with following commands.

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sudo apt purge bcmwl-kernel-source
sudo apt install firmware-b43-installer

Then reboot.

Shall try this, thanks.

[lsemmens]

Device-2: Broadcom and subsidiaries BCM43228 802.11a/b/g/n driver: wl
v: kernel port: 4000 bus ID: 09:00.0 chip ID: 14e4:4359

Remove bcmwl-kernel-source package and install firmware-b43-installer package for this device with following commands.

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sudo apt purge bcmwl-kernel-source
sudo apt install firmware-b43-installer

Then reboot.

Thank you. This appears to have fixed it.