[ubuntu] Wi-Fi No-longer working > Network manager also missing icons >

[ubuntu] Wi-Fi No-longer working > Network manager also missing icons >

Hi there guys.

I was looking for a bit of help with a quirky issue that I’ve been
experiencing, please.

I am currently accessing the internet through my mobile phone via a hotspot/tethering.

I can tether / hotspot wirelessly if I use my laptop.
However ATM I have to use the charging/data cable if I want to tether via my main desktop PC

I’d much rather use my desktop PC to work from, as its much more ergonimicaly set up.

I have x2 wireless USB adabptors
1. Linksys WUSB54GC v1 802.11g Adapter
2. Sony /UWA-BR100 802.11abgn Wireless Adapter [Atheros AR7010+AR9280]

When I type lsusb I get the following response:

1. Code:





Linksys WUSB54GC v1 802.11g Adapter [Ralink RT73]

2. Code:





BUFFALO INC. (formerly MelCo., Inc.) Sony
UWA-BR100 802.11abgn Wireless Adapter [Atheros AR7010+AR9280]


1. I’ve dowloaded and intalled the correct drivers for both USB adaptors.

2. The OS recognises the USB adaptors (when they are plugged in)

3. I’ve tried various power cycyles, changing to different USB sockets buses – (without success)

4. The ironic thing is, this was working (for a couple of days) before it stopped.

I believe that I (may) have inadvertently caused this.

I was going to (physically) swap USB adaptors. To do some quick speeds tests on each of the USB adaptors

Using KDE network manager, there were some icons / click boxes for Wireless adaptors and aeroplane mode.

I chose the de-select wireless adaptors (thinking that it would un-mount) the USB stick,
and allow me to insert the different wireless adaptor more easily.

Ever since then, I cannot use the USB adaptor to connect to my phone to access the internet.

In-fact, the actual icon/click box for wireless networks on KDE network manager has totally vanished.
However the icon/click box for Aeroplane mode is still there and available on network manager

I’ve also ran the rfkill command to clear any soft or hard blocks for
wireless adaptors, however this also has not resolved the issue, or brought back the icons
to let me use my USB wireless adaptors.

TIA for any help or advice.

Useful details:

OS: Ubuntu 18.04 LTS
OS type: 64-bit

DE: KDE 5.12.9
Kernel: 4.15.0-99-generic


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