Is there a way to install the iwlwifi drivers again to enable wifi? this is the only source of internet.
I have also experienced the same problem after installing 'ubuntu-19.10 -desktop-amd64' on a new Dell Inspiron 5491 to dual boot with the default Windows 10 that comes with the laptop. Initially I tried to install 'ubuntu-18.04.4-desktop-amd64' during each installation the installer recognized and used the WiFi each time, however, after updating Ubuntu and rebooting, this resulted in the "No WiFi Adapter Found" problem. Th same problem I am currently experiencing on ubuntu-19.10. However, for ubuntu19.10 since I requested to get updates to the os during installation, the update may have caused the above bug with exactly the same outputs show about. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1864188 Title: After the upgrade of 19.10 on 2020-02-18, wifi does not exist Status in linux package in Ubuntu: Confirmed Bug description: lsmod shows the the modules are on, but no wifi hardware seems available. That happened just after the kernel update I did on 18th of Feb. 2020, on Ubuntu 19.10. No other change. System is Dell Vostro 5490/i7 . mgrivas@Vostro:~$ lsmod | grep iwl iwlmvm 401408 0 mac80211 851968 1 iwlmvm iwlwifi 348160 1 iwlmvm cfg80211 712704 3 iwlmvm,iwlwifi,mac80211 mgrivas@Vostro:~$ iwconfig <all devices> no wireless extensions. - The wlan device does not appear. mgrivas@Vostro:~$ lspci | grep -i net 00:14.3 Network controller: Intel Corporation Device 02f0 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) mgrivas@Vostro:~$ cat /proc//version_signature Ubuntu 5.3.0-40.32-generic 5.3.18 mgrivas@Vostro:~$ lspci -vnvns 00:14.3 00:14.3 Network controller [0280]: Intel Corporation Device [8086:02f0] Subsystem: Intel Corporation Device [8086:42a4] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0 Interrupt: pin A routed to IRQ 16 Region 0: Memory at c2318000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: iwlwifi Kernel modules: iwlwifi ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-40-generic 5.3.0-40.32 ProcVersionSignature: Ubuntu 5.3.0-40.32-generic 5.3.18 Uname: Linux 5.3.0-40-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu8.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: mgrivas 3042 F.... pulseaudio /dev/snd/controlC0: mgrivas 3042 F.... pulseaudio /dev/snd/controlC2: mgrivas 3042 F.... pulseaudio Date: Fri Feb 21 11:36:58 2020 InstallationDate: Installed on 2019-12-23 (60 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Dell Inc. Vostro 5490 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-40-generic root=UUID=5107e080-d818-4651-b256-cbd6c7047a2f ro RelatedPackageVersions: linux-restricted-modules-5.3.0-40-generic N/A linux-backports-modules-5.3.0-40-generic N/A linux-firmware 1.183.4 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux StagingDrivers: ashmem_linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/25/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.4.0 dmi.board.name: 0YR1P7 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.4.0:bd11/25/2019:svnDellInc.:pnVostro5490:pvr:rvnDellInc.:rn0YR1P7:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: Vostro dmi.product.name: Vostro 5490 dmi.product.sku: 0959 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864188/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
