[SOLVED]WIFI not working on new linux mint installation

[will5023]

I just installed Linux Mint 20.3 on an Evolve laptop but the wifi doesn't seem to be working. Someone from another thread with the same issue was asked to run the following commands and post the results so I did the same.

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inxi -Fxz

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System:
  Kernel: 5.4.0-91-generic x86_64 bits: 64 compiler: gcc v: 9.3.0
  Desktop: Xfce 4.16.0 Distro: Linux Mint 20.3 Una base: Ubuntu 20.04 focal
Machine:
  Type: Laptop Mobo: N/A model: N/A serial: <filter>
  UEFI: American Megatrends v: E3-BI-11.6-Y116ARX320-006-C date: 12/31/2020
Battery:
  ID-1: BAT0 charge: 40.7 Wh condition: 40.7/40.7 Wh (100%)
  model: APL MRD Li-ion Battery status: Charging
CPU:
  Topology: Quad Core model: Intel Celeron N3450 bits: 64 type: MCP
  arch: Goldmont rev: 9 L2 cache: 1024 KiB
  flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 8755
  Speed: 796 MHz min/max: 800/2200 MHz Core speeds (MHz): 1: 796 2: 778
  3: 781 4: 770
Graphics:
  Device-1: Intel HD Graphics 500 driver: i915 v: kernel bus ID: 00:02.0
  Display: x11 server: X.Org 1.20.11 driver: modesetting
  unloaded: fbdev,vesa resolution: 1366x768~60Hz
  OpenGL: renderer: Mesa Intel HD Graphics 500 (APL 2) v: 4.6 Mesa 21.0.3
  direct render: Yes
Audio:
  Device-1: Intel Celeron N3350/Pentium N4200/Atom E3900 Series Audio Cluster driver: snd_hda_intel v: kernel bus ID: 00:0e.0
  Sound Server: ALSA v: k5.4.0-91-generic
Network:
  Message: No Device data found.
  Device-1: Realtek 802.11n WLAN Adapter type: USB driver: btusb
  bus ID: 1-7:4
  IF-ID-1: wwan0 state: down mac: N/A
Drives:
  Local Storage: total: 57.62 GiB used: 8.33 GiB (14.5%)
  ID-1: /dev/mmcblk0 model: ISOCOM size: 57.62 GiB
Partition:
  ID-1: / size: 55.97 GiB used: 8.33 GiB (14.9%) fs: ext4
  dev: /dev/mmcblk0p2
Sensors:
  System Temperatures: cpu: 38.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Info:
  Processes: 274 Uptime: 36m Memory: 3.68 GiB used: 885.4 MiB (23.5%)
  Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 Shell: bash v: 5.0.17
  inxi: 3.0.38

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rfkill list all

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1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

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mokutil --sb-state

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SecureBoot disabled

[Pjotr]

Try this:

1. Establish temporary internet connection, e.g. by means of the USB tethering feature of your phone:
https://easylinuxtipsproject.blogspot.c ... ernet.html

2. Update Manager - panel: View - Linux kernels
Install the latest kernel of the 5.13 series. Then reboot and test.

[will5023]

This didn't work unfortunately.

[sleeper12]

Post what this shows:

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lspci && lsusb

[will5023]

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00:00.0 Host bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Host Bridge (rev 0b)
00:00.1 Signal processing controller: Intel Corporation Device 5a8c (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 500 (rev 0b)
00:0e.0 Multimedia audio controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Audio Cluster (rev 0b)
00:0f.0 Communication controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Trusted Execution Engine (rev 0b)
00:12.0 SATA controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series SATA AHCI Controller (rev 0b)
00:13.0 PCI bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series PCI Express Port A #1 (rev fb)
00:13.2 PCI bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series PCI Express Port A #3 (rev fb)
00:14.0 PCI bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series PCI Express Port B #1 (rev fb)
00:14.1 PCI bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series PCI Express Port B #2 (rev fb)
00:15.0 USB controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series USB xHCI (rev 0b)
00:16.0 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #1 (rev 0b)
00:16.1 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #2 (rev 0b)
00:16.2 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #3 (rev 0b)
00:16.3 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #4 (rev 0b)
00:17.0 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #5 (rev 0b)
00:17.1 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #6 (rev 0b)
00:17.2 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #7 (rev 0b)
00:17.3 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series I2C Controller #8 (rev 0b)
00:18.0 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series HSUART Controller #1 (rev 0b)
00:18.1 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series HSUART Controller #2 (rev 0b)
00:18.2 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series HSUART Controller #3 (rev 0b)
00:18.3 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series HSUART Controller #4 (rev 0b)
00:19.0 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series SPI Controller #1 (rev 0b)
00:19.1 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series SPI Controller #2 (rev 0b)
00:19.2 Signal processing controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series SPI Controller #3 (rev 0b)
00:1c.0 SD Host controller: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series eMMC Controller (rev 0b)
00:1f.0 ISA bridge: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series Low Pin Count Interface (rev 0b)
00:1f.1 SMBus: Intel Corporation Celeron N3350/Pentium N4200/Atom E3900 Series SMBus Controller (rev 0b)
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 058f:3822 Alcor Micro Corp. USB 2.0 Camera
Bus 001 Device 004: ID 0bda:d723 Realtek Semiconductor Corp. 802.11n WLAN Adapter
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 002: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

[sleeper12]

Try this, one line at a time:

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sudo apt install git dkms
git clone https://github.com/lwfinger/rtl8723du.git
sudo dkms add ./rtl8723du
sudo dkms install rtl8723du/0.1

Reboot

[will5023]

I'm having a lot of trouble cloning the repository. It seems github needs me to use an authentication token instead of username and password and I'm trying to get it to work.

Here is the command and results where username is my github username and password is the authentication key I generated on github:

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git clone https://github.com/lwfinger/rt18723du.git
Cloning into 'rt18723du'...
Username for 'https://github.com': will5023
Password for 'https://will5023@github.com': 
remote: Repository not found.
fatal: repository 'https://github.com/lwfinger/rt18723du.git/' not found

[sleeper12]

You need an internet connection to run those commands. See Pjotr's post to get a temporary one.

[will5023]

I'm using USB Tethering on my phone to get an internet connection.

[sleeper12]

Ok, I don't know what the problem is then. Are you on the 5.13 kernel now? Check:

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uname -r

[sleeper12]

Wait, it looks like a typo, should be rtl8723du, not rt18723du.

[will5023]

Its working now. I think what finally worked was running

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sudo add-apt-repository ppa:kelebek333/kablosuz

and then

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sudo apt-get update

and then

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sudo apt-get install rtl8188fu-dkms

I then followed the prompts to install the driver.
Thanks much for the help.

[sleeper12]

Glad you found that ppa, made it a bit easier.

[OldeKernelHacker]

Just reporting another approach some may get lucky with: My iphone tethering was being finicky, so I took a leap at just downloading the .zip from https://github.com/lwfinger/rtl8723du to another box, copying over on a usb drive, unzipping, making, installing... and it worked. The base distro I'd used apparently had the other dependent packages already in it, sufficient for this to work. So, if you don't have an easy alternate network for your new mint box, it can't hurt to try building the driver without any network in case you too get lucky.

[Minux1]

... had no issues USB tethering my iPhone SE2 with my laptop IBM Thinkpad X201 running Xubuntu 22.04 which should be pretty close to the latest Linux Mint XFCE version (both Ubuntu derivatives) ... the recognition and pairing was almost instantaneous with no fiddling when I connected the USB bus cord ... the "available connections" screen listed ... "Apple iPhones 5/5C/5S/6/SE" as a "wired connection" ... lsusb on terminal showed "Bus 001 Device 008: ID 05ac:12a8 Apple, Inc. iPhone 5/5C/5S/6/SE" ... there is also an iPhone shaped icon on the Xubuntu desktop "Documents on iPhone" which when opened shows the contents of the iPhone internal memory storage ... the iPhone "drivers" were native to Xubuntu 22.04 without me having to download, install or add anything other than connect the iPhone to a USB port