[SOLVED] Mate 20 USB WiFi Card Listed Does Not Connect

[ecoalex]

The USB card is recognised, even shows 4 bars strength in the listing , yet an X over the WiFi icon in the panel, and a disconnect message appears. At first the router is listed in dark font, after the failure to connect, the font is gray, but there are 4 bars next to it, indicating it is partially initiated.
My Mate 20 install has had good WiFi on a USB WiFi card. Today I had problems with the connection after 2 months of no problems. I have an identical computer/OS and WiFi card also. It has no problems. I am using Hughes Gen5 ISP the modem has it's own router.
Why would I have problems with one, not the other? Why would it have no problems when the computers are swapped both are no more than 25 ft from the router? When I swap the computers after the dysfunctional one will not connect, then connects , it will again connect to the network. I also have swapped the USB Cards with no change.

Any help Appreciated.

[sleeper12]

It might help us to see more details of the problem machine. Post the results of:

Code: Select all

 inxi -Fxxxrz && rfkill list && iwconfig && lsusb && mokutil --sb-state 

[ecoalex]

For now, I am connecting with 4 bars, no problem. Thanks for your reply, I will keep this posting to show what terminal says if I encounter this again. I am suspect it maybe an isp problem , as the modem has a built in router. Hughes may have tweaked the router remotely. Time will tell. Thanks Again for the reply

[sleeper12]

Ok, let us know if it acts up again.

[ecoalex]

I had the problem again, I have to remove then insert the wifi card to have a connection. I tried another computer,the same set-up, it had a connection. I seem to have this upon morning boot-up sometimes .I noticed 3 bars reception, after a few minutes, I had 4 bars. Thanks
I entered the suggested command and got this-

inxi -Fxxxrz && rfkill list && iwconfig && lsusb && mokutil --sb-state

alex@alex-OptiPlex-790:~$ inxi -Fxxxrz && rfkill list && iwconfig && lsusb && mokutil --sb-state
System:
Kernel: 5.4.0-90-generic x86_64 bits: 64 compiler: gcc v: 9.3.0
Desktop: MATE 1.24.0 info: mate-panel wm: marco 1.24.0 dm: LightDM 1.30.0
Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal
Machine:
Type: Laptop System: Dell product: OptiPlex 790 v: 01 serial: <filter>
Chassis: type: 16 serial: <filter>
Mobo: Dell model: 0NKW6Y v: A02 serial: <filter> BIOS: Dell v: A18
date: 09/24/2013
CPU:
Topology: Dual Core model: Intel Core i3-2120 bits: 64 type: MT MCP
arch: Sandy Bridge rev: 7 L2 cache: 3072 KiB
flags: avx lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 26340
Speed: 1596 MHz min/max: 1600/3300 MHz Core speeds (MHz): 1: 1596 2: 1596
3: 1596 4: 1596
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:0102
Display: x11 server: X.Org 1.20.11 driver: modesetting
unloaded: fbdev,vesa compositor: marco v: 1.24.0
resolution: 1280x1024~60Hz
OpenGL: renderer: Mesa DRI Intel HD Graphics 2000 (SNB GT1)
v: 3.3 Mesa 21.0.3 compat-v: 3.0 direct render: Yes
Audio:
Device-1: Intel 6 Series/C200 Series Family High Definition Audio
vendor: Dell driver: snd_hda_intel v: kernel bus ID: 00:1b.0
chip ID: 8086:1c20
Sound Server: ALSA v: k5.4.0-90-generic
Network:
Device-1: Intel 82579LM Gigabit Network vendor: Dell driver: e1000e
v: 3.2.6-k port: 3080 bus ID: 00:19.0 chip ID: 8086:1502
IF: eno1 state: down mac: <filter>
Device-2: Realtek RTL8188EUS 802.11n Wireless Network Adapter type: USB
driver: r8188eu bus ID: 2-1.7:5 chip ID: 0bda:8179 serial: <filter>
IF: wlx9848277917a9 state: up mac: <filter>
Drives:
Local Storage: total: 465.76 GiB used: 44.58 GiB (9.6%)
ID-1: /dev/sda vendor: Samsung model: SSD 860 EVO 500GB size: 465.76 GiB
speed: 6.0 Gb/s serial: <filter> rev: 4B6Q scheme: MBR
Partition:
ID-1: / size: 456.95 GiB used: 44.58 GiB (9.8%) fs: ext4 dev: /dev/sda5
Sensors:
System Temperatures: cpu: 43.0 C mobo: N/A
Fan Speeds (RPM): N/A
Repos:
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
1: deb http://packages.linuxmint.com ulyana main upstream import backport #id:linuxmint_main
2: deb http://archive.ubuntu.com/ubuntu focal main restricted universe multiverse
3: deb http://archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
4: deb http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
6: deb http://archive.canonical.com/ubuntu/ focal partner
Info:
Processes: 190 Uptime: 5h 48m Memory: 3.72 GiB used: 1.64 GiB (44.0%)
Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 Shell: bash
v: 5.0.17 running in: mate-terminal inxi: 3.0.38
eno1 no wireless extensions.

lo no wireless extensions.

wlx9848277917a9 IEEE 802.11bgn ESSID:"hug2g495758" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:2.412 GHz Access Point: 00:80:AE:76:98:1A
Bit Rate:72.2 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=98/100 Signal level=86/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

Bus 002 Device 005: ID 0bda:8179 Realtek Semiconductor Corp. RTL8188EUS 802.11n Wireless Network Adapter
Bus 002 Device 004: ID 05af:8277 Jing-Mold Enterprise Co., Ltd
Bus 002 Device 003: ID 1241:1177 Belkin Mouse [HT82M21A]
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
bash: mokutil: command not found
alex@alex-OptiPlex-790:~$ ^C

[sleeper12]

Maybe you can reload the driver, try:

Code: Select all

 sudo modprobe -r r8188eu && sudo modprobe r8188eu 

[kelebek333]

You can try to install rtl8188eu-dkms package with following commands.

Code: Select all

sudo add-apt-repository ppa:kelebek333/kablosuz
sudo apt-get update
sudo apt install rtl8188eu-dkms

Then reboot or run following commands.

Code: Select all

sudo modprobe -r r8188eu 
sudo modprobe 8188eu

[ecoalex]

I reinstalled sudo modprobe -r r8188eu && sudo modprobe r8188eu
The problem appears to be solved, I will give a few days then mark this thread as SOLVED.
Thanks for all the replies