Krdytkyu

Hi I tried to solve this not-working WiFi using all of the similar topics so dont hate me for duplicate.

Problem: I can see all of the WiFi connections in disposal but I am repeatedly asked for credentials when trying to connect, even if they are 100% correct. Ethernet works. Laptop is new (Dell Latitude 5590). I am using dualboot with Win10 (WiFi works there). Ubuntu version 18.04., kernel version 4.15.0-39-generic. This I can see typing following commands:

rfkill list all



0: hci0: Bluetooth

    Soft blocked: no

    Hard blocked: no

1: dell-wifi: Wireless LAN

    Soft blocked: no

    Hard blocked: no

2: dell-bluetooth: Bluetooth

    Soft blocked: no

    Hard blocked: no

3: dell-wwan: Wireless WAN

    Soft blocked: no

    Hard blocked: no

4: phy0: Wireless LAN

    Soft blocked: no

    Hard blocked: no

relevant result from lspci -nnk

02:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)

    Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:0050]

    Kernel driver in use: iwlwifi

    Kernel modules: iwlwifi, wl

sudo lshw -C network 



*-network                 

       description: Wireless interface

       product: Wireless 8265 / 8275

       vendor: Intel Corporation

       physical id: 0

       bus info: pci@0000:02:00.0

       logical name: wlp2s0

       version: 78

       serial: 48:a4:72:cf:2f:f6

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless

       configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-39-generic firmware=34.0.1 latency=0 link=no multicast=yes wireless=IEEE 802.11

       resources: irq:129 memory:ef000000-ef001fff

dmesg | grep iwlwifi



[    3.560952] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002)

[    3.577281] iwlwifi 0000:02:00.0: loaded firmware version 34.0.1 op_mode iwlmvm

[    3.596809] iwlwifi 0000:02:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230

[    3.672206] iwlwifi 0000:02:00.0: base HW address: 48:a4:72:cf:2f:f6

[    3.822164] Modules linked in: dell_rbtn dell_laptop(+) dell_smm_hwmon intel_rapl x86_pkg_temp_thermal intel_powerclamp wl(POE) coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc iwlmvm(+) snd_hda_intel(+) mac80211 snd_hda_codec aesni_intel aes_x86_64 crypto_simd snd_hda_core glue_helper cryptd snd_hwdep intel_cstate intel_rapl_perf snd_pcm input_leds iwlwifi serio_raw snd_seq_midi snd_seq_midi_event uvcvideo dell_wmi snd_rawmidi videobuf2_vmalloc dell_smbios dcdbas cfg80211 snd_seq intel_wmi_thunderbolt videobuf2_memops videobuf2_v4l2 videobuf2_core dell_wmi_descriptor wmi_bmof videodev snd_seq_device snd_timer media cdc_mbim snd cdc_wdm cdc_ncm soundcore qcserial usb_wwan usbnet usbserial mii rtsx_pci_ms btusb btrtl btbcm btintel idma64 memstick virt_dma bluetooth

[    3.923320] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0

Please let me know if you wanna see sth more that would help you. Thank you