Ask Ubuntu Asked by aidan3776 on January 3, 2022
My wifi spuriously failed to connect this morning. Last night, left it asleep, working just fine and this morning it was unable to connect to the internet with a
No-Wifi-Adapter-Found error.
Outputs:
sudo lshw -c network
: *-network UNCLAIMED
description: Network controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
version: 30
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix cap_list
configuration: latency=0
resources: memory:911a4000-911a7fff
*-network
description: Ethernet interface
physical id: 2
logical name: enp0s20f0u4
serial: ae:6c:d3:65:74:87
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.77 link=yes multicast=yes
iw list
: no output.sudo rfkill list
: Soft blocked: no
Hard blocked: no
iwconfig:
no wireless connections for lo and eth.
sudo dmesg | grep iwl
:
[ 351.373357] psmouse ahci intel_ish_ipc libahci intel_ishtp i2c_hid hid wmi pinctrl_cannonlake video pinctrl_intel [last unloaded: iwlwifi] [ 351.373407] RIP: 0010:iwl_pci_probe+0x4da/0x540 [iwlwifi] [ 351.373520] iwl_pci_register_driver+0x24/0x40 [iwlwifi] [ 351.373547] __init_backport+0xb8/0xe0 [iwlwifi] [ 351.406765] iwlwifi: probe of 0000:00:14.3 failed with error -22
I have
sudo rfkill unblock all
sudo rmmod iwlmvm && sudo modprobe iwlmvm
sudo service network-manager restart
modprobe iwlwifi 11n_disable=1 bt_coex_active=0
sudo apt update sudo apt install git build-essential git clone https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git cd backport-iwlwifi/ make defconfig-iwlwifi-public sed -i 's/CPTCFG_IWLMVM_VENDOR_CMDS=y/# CPTCFG_IWLMVM_VENDOR_CMDS is not set/' .config make -j4 sudo make install sudo modprobe iwlwifi
I’m at my wits end, any advice on how to fix would be much appreciated. Thanks so much!!
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