Public bug reported:

I have installed the ubuntu 19.10 and since the installation it says no
wifi adpter found but the wifi was working with Windows perfectly but
since I switch to ubuntu I am not able to use the wifi. I have tried
lots of different methods to fix this issue on the internet and also
asked on Ubuntu community for help but none worked for me. It seems
there's some bug on the os because during the installation the wifi was
working but after the installation has completed the wifi stoped working
and says No wifi adapter found.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-46-generic 5.3.0-46.38
ProcVersionSignature: Ubuntu 5.3.0-46.38-generic 5.3.18
Uname: Linux 5.3.0-46-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.8
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  anu        2180 F.... pulseaudio
 /dev/snd/controlC0:  anu        2180 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 10 16:31:11 2020
InstallationDate: Installed on 2020-04-09 (1 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
IwConfig:
 lo        no wireless extensions.
 
 enp0s16u3  no wireless extensions.
 
 enp1s0    no wireless extensions.
MachineType: LENOVO 81FS
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-46-generic 
root=UUID=9462d35f-9a18-4b4c-8372-6429117b7939 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.3.0-46-generic N/A
 linux-backports-modules-5.3.0-46-generic  N/A
 linux-firmware                            1.183.5
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/14/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UCN28WW(V2.02)
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: No DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo E41-25
dmi.modalias: 
dmi:bvnLENOVO:bvr7UCN28WW(V2.02):bd11/14/2019:svnLENOVO:pn81FS:pvrLenovoE41-25:rvnLENOVO:rnLNVNB161216:rvrNoDPK:cvnLENOVO:ct10:cvrLenovoE41-25:
dmi.product.family: E41-25
dmi.product.name: 81FS
dmi.product.sku: LENOVO_MT_81FS_BU_idea_FM_E41-25
dmi.product.version: Lenovo E41-25
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug eoan

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https://bugs.launchpad.net/bugs/1872055

Title:
  Ubuntu 19.10 says no wifi adapter found

Status in linux package in Ubuntu:
  New

Bug description:
  I have installed the ubuntu 19.10 and since the installation it says
  no wifi adpter found but the wifi was working with Windows perfectly
  but since I switch to ubuntu I am not able to use the wifi. I have
  tried lots of different methods to fix this issue on the internet and
  also asked on Ubuntu community for help but none worked for me. It
  seems there's some bug on the os because during the installation the
  wifi was working but after the installation has completed the wifi
  stoped working and says No wifi adapter found.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: linux-image-5.3.0-46-generic 5.3.0-46.38
  ProcVersionSignature: Ubuntu 5.3.0-46.38-generic 5.3.18
  Uname: Linux 5.3.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  anu        2180 F.... pulseaudio
   /dev/snd/controlC0:  anu        2180 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 10 16:31:11 2020
  InstallationDate: Installed on 2020-04-09 (1 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  IwConfig:
   lo        no wireless extensions.
   
   enp0s16u3  no wireless extensions.
   
   enp1s0    no wireless extensions.
  MachineType: LENOVO 81FS
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-46-generic 
root=UUID=9462d35f-9a18-4b4c-8372-6429117b7939 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-46-generic N/A
   linux-backports-modules-5.3.0-46-generic  N/A
   linux-firmware                            1.183.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/14/2019
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7UCN28WW(V2.02)
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: No DPK
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo E41-25
  dmi.modalias: 
dmi:bvnLENOVO:bvr7UCN28WW(V2.02):bd11/14/2019:svnLENOVO:pn81FS:pvrLenovoE41-25:rvnLENOVO:rnLNVNB161216:rvrNoDPK:cvnLENOVO:ct10:cvrLenovoE41-25:
  dmi.product.family: E41-25
  dmi.product.name: 81FS
  dmi.product.sku: LENOVO_MT_81FS_BU_idea_FM_E41-25
  dmi.product.version: Lenovo E41-25
  dmi.sys.vendor: LENOVO

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