I have an issue after installing Ubuntu 22.04.1 on my Lenovo Legion laptop. The wifi button disappeared and I can't connect to the internet using wifi. I used the command sudo lshw -c network and have the line "Network Unclaimed".
*-network UNCLAIMED description: Network controller product: Cannon Lake PCH CNVi WiFi vendor: Intel Corporation physical id: 14.3 bus info: pci@0000:00:14.3 version: 10 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix cap_list configuration: latency=0 resources: memory:b4518000-b451bfff*-network description: Ethernet interface product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:07:00.0 logical name: enp7s0 version: 15 serial: 98:fa:9b:ed:24:c4 size: 1Gbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=6.8.0-40-generic duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.1.60 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s resources: irq:17 ioport:3000(size=256) memory:b4304000-b4304fff memory:b4300000-b4303fffAfter using the command [sudo dmesg | grep iwl], here are the complete error messages.
[ 3.184712] iwlwifi 0000:00:14.3: Detected crf-id 0xa5a5a5a2, cnv-id 0xa5a5a5a2 wfpm id 0xa5a5a5a2[ 3.184727] iwlwifi 0000:00:14.3: Can't find a correct rfid for crf id 0x5a2[ 3.184744] iwlwifi: probe of 0000:00:14.3 failed with error -22wireless info:
########## wireless info START ##########Report from: 26 Aug 2024 23:14 CDT -0500Booted last: 26 Aug 2024 00:00 CDT -0500Script from: 25 Jan 2020 03:34 UTC +0000##### release ###########################Distributor ID: UbuntuDescription: Ubuntu 22.04.4 LTSRelease: 22.04Codename: jammy##### kernel ############################Linux 6.8.0-40-generic #40~22.04.3-Ubuntu SMP PREEMPT_DYNAMIC Tue Jul 30 17:30:19 UTC 2 x86_64 x86_64 x86_64 GNU/LinuxParameters: ro, quiet, splash, vt.handoff=7##### desktop ###########################Ubuntu##### lspci #############################00:14.3 Network controller [0280]: Intel Corporation Cannon Lake PCH CNVi WiFi [8086:a370] (rev 10) Subsystem: Intel Corporation Cannon Lake PCH CNVi WiFi [8086:0000] Kernel modules: iwlwifi, wl07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15) Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:38cd] Kernel driver in use: r8169##### lsusb #############################Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubBus 001 Device 004: ID 048d:c100 Integrated Technology Express, Inc. ITE Device(8910)Bus 001 Device 003: ID 04ca:7070 Lite-On Technology Corp. Integrated CameraBus 001 Device 002: ID 046d:c542 Logitech, Inc. Wireless ReceiverBus 001 Device 005: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson Peak (JfP)Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubBus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hubBus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub##### PCMCIA card info ####################### rfkill ############################0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: no2: hci0: Bluetooth Soft blocked: yes Hard blocked: no##### secure boot #######################SecureBoot disabled##### lsmod #############################wl 6488064 0iwlwifi 598016 0intel_wmi_thunderbolt 16384 0wmi_bmof 12288 0cfg80211 1327104 2 wl,iwlwifiideapad_laptop 57344 0sparse_keymap 12288 1 ideapad_laptopplatform_profile 12288 1 ideapad_laptopvideo 73728 2 ideapad_laptop,nvidia_modesetwmi 28672 4 video,intel_wmi_thunderbolt,wmi_bmof,ideapad_laptop##### interfaces ############################# ifconfig ##########################1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback <MAC address> brd <MAC address> inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever2: enp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether <MAC 'enp7s0' [IF1]> brd <MAC address> inet 192.168.1.60/24 brd 192.168.1.255 scope global dynamic noprefixroute enp7s0 valid_lft 43027sec preferred_lft 43027sec inet6 2600:6c44:11f0:13f0::1dd7/128 scope global dynamic noprefixroute valid_lft 86227sec preferred_lft 86227sec inet6 2600:6c44:11f0:13f0:2bcf:baa5:9627:3637/64 scope global temporary dynamic valid_lft 86228sec preferred_lft 86155sec inet6 2600:6c44:11f0:13f0:d54f:e606:fb59:378b/64 scope global dynamic mngtmpaddr noprefixroute valid_lft 86228sec preferred_lft 86228sec inet6 fe80::24c8:790f:df17:bc2a/64 scope link noprefixroute valid_lft forever preferred_lft forever##### iwconfig ##########################lo no wireless extensions.enp7s0 no wireless extensions.##### route #############################default via 192.168.1.1 dev enp7s0 proto dhcp metric 100 169.254.0.0/16 dev enp7s0 scope link metric 1000 192.168.1.0/24 dev enp7s0 proto kernel scope link src 192.168.1.60 metric 100 ##### resolv.conf #######################[777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']nameserver 127.0.0.53options edns0 trust-adsearch lan##### network managers ##################Installed: NetworkManagerRunning:root 621 1 0 23:11 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon##### NetworkManager info ###############GENERAL.DEVICE: enp7s0GENERAL.TYPE: ethernetGENERAL.NM-TYPE: NMDeviceEthernetGENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/2GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet ControllerGENERAL.DRIVER: r8169GENERAL.DRIVER-VERSION: 6.8.0-40-genericGENERAL.FIRMWARE-VERSION: --GENERAL.HWADDR: <MAC 'enp7s0' [IF1]>GENERAL.MTU: 1500GENERAL.STATE: 100 (connected)GENERAL.REASON: 0 (No reason given)GENERAL.IP4-CONNECTIVITY: 4 (full)GENERAL.IP6-CONNECTIVITY: 4 (full)GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1d.5/0000:07:00.0/net/enp7s0GENERAL.PATH: pci-0000:07:00.0GENERAL.IP-IFACE: enp7s0GENERAL.IS-SOFTWARE: noGENERAL.NM-MANAGED: yesGENERAL.AUTOCONNECT: yesGENERAL.FIRMWARE-MISSING: noGENERAL.NM-PLUGIN-MISSING: noGENERAL.PHYS-PORT-ID: --GENERAL.CONNECTION: Wired connection 1GENERAL.CON-UUID: 0a534e93-f980-38b8-9f2f-fbb77e889e99GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1GENERAL.METERED: no (guessed)CAPABILITIES.CARRIER-DETECT: yesCAPABILITIES.SPEED: 1000 Mb/sCAPABILITIES.IS-SOFTWARE: noCAPABILITIES.SRIOV: noINTERFACE-FLAGS.UP: yesINTERFACE-FLAGS.LOWER-UP: yesINTERFACE-FLAGS.CARRIER: yesINTERFACE-FLAGS.PROMISC: noWIRED-PROPERTIES.CARRIER: onIP4.ADDRESS[1]: 192.168.1.60/24IP4.GATEWAY: 192.168.1.1IP4.ROUTE[1]: dst = 192.168.1.0/24, nh = 0.0.0.0, mt = 100IP4.ROUTE[2]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000IP4.ROUTE[3]: dst = 0.0.0.0/0, nh = 192.168.1.1, mt = 100IP4.DNS[1]: 192.168.1.1IP4.DOMAIN[1]: lanDHCP4.OPTION[1]: broadcast_address = 192.168.1.255DHCP4.OPTION[2]: dhcp_lease_time = 43200DHCP4.OPTION[3]: dhcp_server_identifier = 192.168.1.1DHCP4.OPTION[4]: domain_name = lanDHCP4.OPTION[5]: domain_name_servers = 192.168.1.1DHCP4.OPTION[6]: expiry = 1724775094DHCP4.OPTION[7]: host_name = tianwei-Legion-Y540-17IRHDHCP4.OPTION[8]: ip_address = 192.168.1.60DHCP4.OPTION[9]: next_server = 192.168.1.1DHCP4.OPTION[10]: requested_broadcast_address = 1DHCP4.OPTION[11]: requested_domain_name = 1DHCP4.OPTION[12]: requested_domain_name_servers = 1DHCP4.OPTION[13]: requested_domain_search = 1DHCP4.OPTION[14]: requested_host_name = 1DHCP4.OPTION[15]: requested_interface_mtu = 1DHCP4.OPTION[16]: requested_ms_classless_static_routes = 1DHCP4.OPTION[17]: requested_nis_domain = 1DHCP4.OPTION[18]: requested_nis_servers = 1DHCP4.OPTION[19]: requested_ntp_servers = 1DHCP4.OPTION[20]: requested_rfc3442_classless_static_routes = 1DHCP4.OPTION[21]: requested_root_path = 1DHCP4.OPTION[22]: requested_routers = 1DHCP4.OPTION[23]: requested_static_routes = 1DHCP4.OPTION[24]: requested_subnet_mask = 1DHCP4.OPTION[25]: requested_time_offset = 1DHCP4.OPTION[26]: requested_wpad = 1DHCP4.OPTION[27]: routers = 192.168.1.1DHCP4.OPTION[28]: subnet_mask = 255.255.255.0IP6.ADDRESS[1]: 2600:6c44:11f0:13f0:2bcf:baa5:9627:3637/64IP6.ADDRESS[2]: 2600:6c44:11f0:13f0::1dd7/128IP6.ADDRESS[3]: 2600:6c44:11f0:13f0:d54f:e606:fb59:378b/64IP6.ADDRESS[4]: fe80::24c8:790f:df17:bc2a/64IP6.GATEWAY: fe80::7637:5fff:fe3a:5754IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 1024IP6.ROUTE[2]: dst = 2600:6c44:11f0:13f0::/64, nh = ::, mt = 100IP6.ROUTE[3]: dst = 2600:6c44:11f0:13f0::/60, nh = fe80::7637:5fff:fe3a:5754, mt = 100IP6.ROUTE[4]: dst = 2600:6c44:11f0:13f0::1dd7/128, nh = ::, mt = 100IP6.ROUTE[5]: dst = ::/0, nh = fe80::7637:5fff:fe3a:5754, mt = 100IP6.DNS[1]: 2600:6c44:11f0:13f0::1IP6.SEARCHES[1]: lanDHCP6.OPTION[1]: dhcp6_domain_search = lanDHCP6.OPTION[2]: dhcp6_name_servers = 2600:6c44:11f0:13f0::1DHCP6.OPTION[3]: fqdn_fqdn = tianwei-Legion-Y540-17IRHDHCP6.OPTION[4]: ip6_address = 2600:6c44:11f0:13f0::1dd7CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/1CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 0a534e93-f980-38b8-9f2f-fbb77e889e99 | Wired connection 1##### NetworkManager.state ##############[main]NetworkingEnabled=trueWirelessEnabled=trueWWANEnabled=true##### NetworkManager config #############[[/etc/NetworkManager/conf.d/default-wifi-powersave-on.conf]][connection]wifi.powersave = 3[[/etc/NetworkManager/NetworkManager.conf]][main]plugins=ifupdown,keyfile[ifupdown]managed=false[device]wifi.scan-rand-mac-address=no[[/usr/lib/NetworkManager/conf.d/10-dns-resolved.conf]][main]dns=systemd-resolved[[/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf]][keyfile]unmanaged-devices=*,except:type:wifi,except:type:gsm,except:type:cdma[[/usr/lib/NetworkManager/conf.d/20-connectivity-ubuntu.conf]][connectivity]uri=http://connectivity-check.ubuntu.com./[[/usr/lib/NetworkManager/conf.d/no-mac-addr-change.conf]][device-31-mac-addr-change]match-device=driver:eagle_sdio,driver:wlwifi.scan-rand-mac-address=no##### NetworkManager profiles ################ Netplan config ####################[/etc/netplan/01-network-manager-all.yaml]network: version: 2 renderer: NetworkManager##### iw reg get ########################'iw' is not installed (package "iw").##### iwlist channels ###################lo no frequency information.enp7s0 no frequency information.##### iwlist scan #######################lo Interface doesn't support scanning.enp7s0 Interface doesn't support scanning.##### module infos ######################[wl]filename: /lib/modules/6.8.0-40-generic/updates/dkms/wl.kolicense: MIXED/Proprietarydepends: cfg80211retpoline: Yname: wlvermagic: 6.8.0-40-generic SMP preempt mod_unload modversions parm: passivemode:intparm: wl_txq_thresh:intparm: oneonly:intparm: piomode:intparm: instance_base:intparm: nompc:intparm: intf_name:string[iwlwifi]filename: /lib/modules/6.8.0-40-generic/kernel/drivers/net/wireless/intel/iwlwifi/iwlwifi.kolicense: GPLdescription: Intel(R) Wireless WiFi driver for Linuxdepends: cfg80211retpoline: Yintree: Yname: iwlwifivermagic: 6.8.0-40-generic SMP preempt mod_unload modversions parm: swcrypto:using crypto in software (default 0 [hardware]) (int)parm: 11n_disable:disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX (uint)parm: amsdu_size:amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, 4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0) (int)parm: fw_restart:restart firmware in case of error (default true) (bool)parm: nvm_file:NVM file name (charp)parm: uapsd_disable:disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3) (uint)parm: enable_ini:0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,Debug INI TLV FW debug infrastructure (default: 16) (uint)parm: bt_coex_active:enable wifi/bt co-exist (default: enable) (bool)parm: led_mode:0=system default, 1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0) (int)parm: power_save:enable WiFi power management (default: disable) (bool)parm: power_level:default power save level (range from 1 - 5, default: 1) (int)parm: disable_11ac:Disable VHT capabilities (default: false) (bool)parm: remove_when_gone:Remove dev from PCIe bus if it is deemed inaccessible (default: false) (bool)parm: disable_11ax:Disable HE capabilities (default: false) (bool)parm: disable_11be:Disable EHT capabilities (default: false) (bool)[cfg80211]filename: /lib/modules/6.8.0-40-generic/kernel/net/wireless/cfg80211.kodescription: wireless configuration supportlicense: GPLdepends: retpoline: Yintree: Yname: cfg80211vermagic: 6.8.0-40-generic SMP preempt mod_unload modversions parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)##### module parameters #################[iwlwifi]11n_disable: 0amsdu_size: 0bt_coex_active: Ydisable_11ac: Ndisable_11ax: Ndisable_11be: Nenable_ini: 16fw_restart: Yled_mode: 0nvm_file: (null)power_level: 0power_save: Nremove_when_gone: Nswcrypto: 0uapsd_disable: 3[cfg80211]bss_entries_limit: 1000cfg80211_disable_40mhz_24ghz: Nieee80211_regdom: 00##### /etc/modules ########################### modprobe options ##################[/etc/modprobe.d/amd64-microcode-blacklist.conf]blacklist microcode[/etc/modprobe.d/blacklist-ath_pci.conf]blacklist ath_pci[/etc/modprobe.d/blacklist-bcm43.conf]blacklist b43blacklist b43legacyblacklist ssbblacklist bcm43xxblacklist brcm80211blacklist brcmfmacblacklist brcmsmacblacklist bcma[/etc/modprobe.d/blacklist.conf]blacklist evbugblacklist usbmouseblacklist usbkbdblacklist eepro100blacklist de4x5blacklist eth1394blacklist snd_intel8x0mblacklist snd_aw2blacklist prism54blacklist bcm43xxblacklist garmin_gpsblacklist asus_acpiblacklist snd_pcspblacklist pcspkrblacklist amd76x_edac[/etc/modprobe.d/blacklist-rare-network.conf]alias net-pf-3 offalias net-pf-6 offalias net-pf-9 offalias net-pf-11 offalias net-pf-12 offalias net-pf-19 offalias net-pf-21 offalias net-pf-36 off[/etc/modprobe.d/intel-microcode-blacklist.conf]blacklist microcode[/etc/modprobe.d/iwlwifi.conf]remove iwlwifi \(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \&& /sbin/modprobe -r mac80211[/etc/modprobe.d/libopenni-sensor-pointclouds0.conf]blacklist gspca_kinect##### rc.local ##########################grep: /etc/rc.local: No such file or directory##### pm-utils ############################### udev rules ############################# dmesg #############################[ 5.100902] Bluetooth: hci0: Failed to load Intel firmware file intel/ibt-17-0-0.sfi (-2)[ 6.398056] r8169 0000:07:00.0 enp7s0: Link is Down[ 9.095022] r8169 0000:07:00.0 enp7s0: Link is Up - 1Gbps/Full - flow control rx/tx########## wireless info END ############