Driver is installed. However, im not able to connect to the wifi and it keeps asking me to enter the wifi password. Im totally new Linux user, hope someone able to help. Thanks in advance.
wireless info script as below:
########## wireless info START ##########
Report from: 14 Dec 2022 14:06 +08 +0800
Booted last: 14 Dec 2022 00:00 +08 +0800
Script from: 25 Jan 2020 03:34 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
##### kernel ############################
Linux 5.15.0-56-generic #62-Ubuntu SMP Tue Nov 22 19:54:14 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I217-LM [8086:153a] (rev 04)
DeviceName: Onboard LAN
Subsystem: Dell Ethernet Connection I217-LM [1028:05a4]
##### lsusb #############################
Bus 002 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 2357:0120 TP-Link Archer T2U PLUS [RTL8821AU]
Bus 001 Device 004: ID 275d:0ba6 USB OPTICAL MOUSE
Bus 001 Device 003: ID 1c4f:0002 SiGma Micro Keyboard TRACER Gamma Ivory
Bus 001 Device 002: ID 8087:8008 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
##### secure boot #######################
SecureBoot disabled
##### lsmod #############################
cfg80211 974848 0
dell_wmi 24576 0
ledtrig_audio 16384 2 snd_hda_codec_generic,dell_wmi
dell_smbios 28672 1 dell_wmi
dell_wmi_descriptor 20480 2 dell_wmi,dell_smbios
sparse_keymap 16384 1 dell_wmi
wmi 32768 3 dell_wmi,dell_smbios,dell_wmi_descriptor
8812au 1105920 0
video 61440 2 dell_wmi,i915
##### 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 forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether <MAC 'eno1' [IF1]> brd <MAC address>
altname enp0s25
inet 192.168.3.31/24 brd 192.168.3.255 scope global dynamic noprefixroute eno1
valid_lft 84406sec preferred_lft 84406sec
inet6 2001:e68:638b:d00:8bc8:7865:fa86:1ec0/64 scope global temporary dynamic
valid_lft 241994sec preferred_lft 84291sec
inet6 2001:e68:638b:d00:2ad7:46a4:1947:9205/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 241994sec preferred_lft 155594sec
inet6 fe80::a54b:3b2d:951:7c03/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: enx<IF from MAC [IF2]>: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000
link/ether <MAC 'enx<IF from MAC [IF2]>' [IF2]> brd <MAC address>
##### iwconfig ##########################
lo no wireless extensions.
eno1 no wireless extensions.
enx<IF from MAC [IF2]> unassociated Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated
Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=0/100 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
##### route #############################
default via 192.168.3.1 dev eno1 proto dhcp metric 100
169.254.0.0/16 dev eno1 scope link metric 1000
192.168.3.0/24 dev eno1 proto kernel scope link src 192.168.3.31 metric 100
##### resolv.conf #######################
[777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']
nameserver 127.0.0.53
options edns0 trust-ad
search .
##### network managers ##################
Installed:
NetworkManager
Running:
root 682 1 0 13:32 ? 00:00:01 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/2
GENERAL.VENDOR: Intel Corporation
GENERAL.PRODUCT: Ethernet Connection I217-LM
GENERAL.DRIVER: e1000e
GENERAL.DRIVER-VERSION: 5.15.0-56-generic
GENERAL.FIRMWARE-VERSION: 0.13-4
GENERAL.HWADDR: <MAC 'eno1' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.IP4-CONNECTIVITY: 4 (full)
GENERAL.IP6-CONNECTIVITY: 4 (full)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:19.0/net/eno1
GENERAL.PATH: pci-0000:00:19.0
GENERAL.IP-IFACE: eno1
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: Wired connection 1
GENERAL.CON-UUID: 8a546b2c-f390-3e06-a6d2-dab8c2c95c06
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 100 Mb/s
CAPABILITIES.IS-SOFTWARE: no
CAPABILITIES.SRIOV: no
INTERFACE-FLAGS.UP: yes
INTERFACE-FLAGS.LOWER-UP: yes
INTERFACE-FLAGS.CARRIER: yes
INTERFACE-FLAGS.PROMISC: no
WIRED-PROPERTIES.CARRIER: on
IP4.ADDRESS[1]: 192.168.3.31/24
IP4.GATEWAY: 192.168.3.1
IP4.ROUTE[1]: dst = 192.168.3.0/24, nh = 0.0.0.0, mt = 100
IP4.ROUTE[2]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.ROUTE[3]: dst = 0.0.0.0/0, nh = 192.168.3.1, mt = 100
IP4.DNS[1]: 192.168.3.1
DHCP4.OPTION[1]: dhcp_lease_time = 86400
DHCP4.OPTION[2]: dhcp_server_identifier = 192.168.3.1
DHCP4.OPTION[3]: domain_name_servers = 192.168.3.1
DHCP4.OPTION[4]: expiry = 1671082374
DHCP4.OPTION[5]: ip_address = 192.168.3.31
DHCP4.OPTION[6]: requested_broadcast_address = 1
DHCP4.OPTION[7]: requested_domain_name = 1
DHCP4.OPTION[8]: requested_domain_name_servers = 1
DHCP4.OPTION[9]: requested_domain_search = 1
DHCP4.OPTION[10]: requested_host_name = 1
DHCP4.OPTION[11]: requested_interface_mtu = 1
DHCP4.OPTION[12]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[13]: requested_nis_domain = 1
DHCP4.OPTION[14]: requested_nis_servers = 1
DHCP4.OPTION[15]: requested_ntp_servers = 1
DHCP4.OPTION[16]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[17]: requested_root_path = 1
DHCP4.OPTION[18]: requested_routers = 1
DHCP4.OPTION[19]: requested_static_routes = 1
DHCP4.OPTION[20]: requested_subnet_mask = 1
DHCP4.OPTION[21]: requested_time_offset = 1
DHCP4.OPTION[22]: requested_wpad = 1
DHCP4.OPTION[23]: routers = 192.168.3.1
DHCP4.OPTION[24]: subnet_mask = 255.255.255.0
IP6.ADDRESS[1]: 2001:e68:638b:d00:8bc8:7865:fa86:1ec0/64
IP6.ADDRESS[2]: 2001:e68:638b:d00:2ad7:46a4:1947:9205/64
IP6.ADDRESS[3]: fe80::a54b:3b2d:951:7c03/64
IP6.GATEWAY: fe80::a62a:95ff:fea5:7cca
IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 1024
IP6.ROUTE[2]: dst = 2001:e68:638b:d00::/64, nh = ::, mt = 100
IP6.ROUTE[3]: dst = ::/0, nh = fe80::a62a:95ff:fea5:7cca, mt = 100
IP6.DNS[1]: fe80::a62a:95ff:fea5:7cca
DHCP6.OPTION[1]: dhcp6_name_servers = fe80::a62a:95ff:fea5:7cca
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/3
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 8a546b2c-f390-3e06-a6d2-dab8c2c95c06 | Wired connection 1
GENERAL.DEVICE: enx<IF from MAC [IF2]>
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/4
GENERAL.VENDOR: TP-Link
GENERAL.PRODUCT: Archer T2U PLUS [RTL8821AU]
GENERAL.DRIVER: rtl8812au
GENERAL.DRIVER-VERSION: 5.15.0-56-generic
GENERAL.FIRMWARE-VERSION: --
GENERAL.HWADDR: <MAC 'enx<IF from MAC [IF2]>' [IF2]>
GENERAL.MTU: 1500
GENERAL.STATE: 30 (disconnected)
GENERAL.REASON: 42 (The supplicant is now available)
GENERAL.IP4-CONNECTIVITY: 1 (none)
GENERAL.IP6-CONNECTIVITY: 1 (none)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.0/net/enx<IF from MAC [IF2]>
GENERAL.PATH: pci-0000:00:1a.0-usb-0:1.6:1.0
GENERAL.IP-IFACE: --
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
CAPABILITIES.SRIOV: no
INTERFACE-FLAGS.UP: yes
INTERFACE-FLAGS.LOWER-UP: no
INTERFACE-FLAGS.CARRIER: no
INTERFACE-FLAGS.PROMISC: no
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: no
WIFI-PROPERTIES.ADHOC: yes
WIFI-PROPERTIES.2GHZ: yes
WIFI-PROPERTIES.5GHZ: yes
WIFI-PROPERTIES.MESH: no
WIFI-PROPERTIES.IBSS-RSN: no
IP4.GATEWAY: --
IP6.GATEWAY: --
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/1
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 2b939345-3f8a-4934-8c85-7753203a0d1f | A1_5GHz@unifi
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=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:wl
wifi.scan-rand-mac-address=no
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/A1_5GHz@unifi.nmconnection]] (600 root)
[connection] id=A1_5GHz@unifi | type=wifi
[wifi] ssid=A1_5GHz@unifi
[ipv4] method=auto
[ipv6] method=auto
##### 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.
eno1 no frequency information.
enx<IF from MAC [IF2]> 32 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Channel 100 : 5.5 GHz
Channel 104 : 5.52 GHz
Channel 108 : 5.54 GHz
Channel 112 : 5.56 GHz
Channel 116 : 5.58 GHz
Channel 120 : 5.6 GHz
Channel 124 : 5.62 GHz
Channel 128 : 5.64 GHz
Channel 132 : 5.66 GHz
Channel 136 : 5.68 GHz
Channel 140 : 5.7 GHz
Channel 149 : 5.745 GHz
Channel 153 : 5.765 GHz
Current Frequency:2.412 GHz (Channel 1)
##### iwlist scan #######################
lo Interface doesn't support scanning.
eno1 Interface doesn't support scanning.
Channel occupancy:
3 APs on Frequency:2.412 GHz (Channel 1)
1 APs on Frequency:2.417 GHz (Channel 2)
1 APs on Frequency:2.432 GHz (Channel 5)
2 APs on Frequency:2.447 GHz (Channel 8)
3 APs on Frequency:2.462 GHz (Channel 11)
1 APs on Frequency:5.18 GHz (Channel 36)
2 APs on Frequency:5.22 GHz (Channel 44)
2 APs on Frequency:5.24 GHz (Channel 48)
2 APs on Frequency:5.2 GHz (Channel 40)
1 APs on Frequency:5.745 GHz (Channel 149)
1 APs on Frequency:5.765 GHz (Channel 153)
4 APs on Frequency:5.805 GHz
