Linux Mint 21 - Broadcom 43142 - wifi not working

I'm using Mint 21 on an HP 17-y002na laptop. It's been connected via ethernet cable for much of the time since I updated to 21, but has had wifi capability at times. Last week I noticed that the symbol showing ethernet connection was absent from my panel, but wired connection still works. Unplugged, I get no wifi options or connection

Since then I have tried to sort it to no avail, and I think I may be doing more harm than good, so I'm asking for help. Current situation is:

iwconfig returns

lo no wireless extensions.

eno1 no wireless extensions.

lspci -nnk | grep 0280 -A4 returns

03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    DeviceName: WLAN Broadcom 43142 bgn 1x1
    Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a]
    Kernel modules: bcma, wl

If I try to run 'sudo modprobe wl' I get 'modprobe: ERROR: could not insert 'wl': Invalid argument' reported

'rfkill list all' returns

0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no

The bluetooth unblocks when I select 'Turn Bluetooth On' in the panel, and the above command does then show 'Soft blocked: no'

'dmesg | grep wl' gives me

[   13.913623] Loading modules backported from iwlwifi
[   13.913632] iwlwifi-stack-public:master:9858:4c7cba27
[   14.613008] wl: module license 'MIXED/Proprietary' taints kernel.
[   14.624085] wl: module verification failed: signature and/or required key missing - tainting kernel
[   14.624199] wl: disagrees about version of symbol cfg80211_inform_bss_frame_data
[   14.624203] wl: Unknown symbol cfg80211_inform_bss_frame_data (err -22)
[   14.624274] wl: disagrees about version of symbol cfg80211_scan_done
[   14.624277] wl: Unknown symbol cfg80211_scan_done (err -22)
[   14.624363] wl: disagrees about version of symbol cfg80211_disconnected
[   14.624366] wl: Unknown symbol cfg80211_disconnected (err -22)
[   14.624423] wl: disagrees about version of symbol wiphy_new_nm
[   14.624426] wl: Unknown symbol wiphy_new_nm (err -22)
[   14.624448] wl: disagrees about version of symbol wiphy_register
[   14.624451] wl: Unknown symbol wiphy_register (err -22)
[   14.624517] wl: disagrees about version of symbol cfg80211_put_bss
[   14.624522] wl: Unknown symbol cfg80211_put_bss (err -22)
[   14.624533] wl: disagrees about version of symbol cfg80211_roamed
[   14.624535] wl: Unknown symbol cfg80211_roamed (err -22)
[   14.624547] wl: disagrees about version of symbol cfg80211_gtk_rekey_notify
[   14.624549] wl: Unknown symbol cfg80211_gtk_rekey_notify (err -22)
[   14.624566] wl: disagrees about version of symbol ieee80211_get_channel_khz
[   14.624568] wl: Unknown symbol ieee80211_get_channel_khz (err -22)
[   14.624588] wl: disagrees about version of symbol cfg80211_ibss_joined
[   14.624590] wl: Unknown symbol cfg80211_ibss_joined (err -22)
[   14.624615] wl: disagrees about version of symbol cfg80211_michael_mic_failure
[   14.624617] wl: Unknown symbol cfg80211_michael_mic_failure (err -22)
[   14.640838] wl: disagrees about version of symbol wiphy_unregister
[   14.640851] wl: Unknown symbol wiphy_unregister (err -22)
[   14.640890] wl: disagrees about version of symbol cfg80211_get_bss
[   14.640893] wl: Unknown symbol cfg80211_get_bss (err -22)
[   14.640979] wl: disagrees about version of symbol ieee80211_channel_to_freq_khz
[   14.640981] wl: Unknown symbol ieee80211_channel_to_freq_khz (err -22)
[   14.640993] wl: disagrees about version of symbol cfg80211_report_wowlan_wakeup
[   14.640995] wl: Unknown symbol cfg80211_report_wowlan_wakeup (err -22)
[   14.641012] wl: disagrees about version of symbol cfg80211_inform_bss_data
[   14.641014] wl: Unknown symbol cfg80211_inform_bss_data (err -22)
[   14.641033] wl: disagrees about version of symbol cfg80211_connect_done
[   14.641035] wl: Unknown symbol cfg80211_connect_done (err -22)
[   14.641044] wl: disagrees about version of symbol wiphy_free
[   14.641046] wl: Unknown symbol wiphy_free (err -22)

Wifi is (still) enabled in my BIOS/UEFI set up. Safe boot is disabled

Driver Manager shows I am using bcmwl-kernel-source version 6.30.223.271+bdcom-0ubuntu10~22.04.1

I do want to be able to use the laptop without having to be ethernet connected

Any information, advice or guidance appreciated. Thank you in advance,

Phil