USB WiFi adaptor is attached but not working

I RAN THE DIAGNOSTIC COMMAND BELOW IN MY TERMINAL : -

sudo apt-get update; sudo apt-get install debian-security-support usbutils pciutils hwinfo grep rfkill; sudo lshw -C network; rfkill list; sudo iwlist scan | grep -Ei 'chan|ssid'; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nnk | grep -iA2 net; lsusb; nmcli g; sudo lshw -short; uname -a; sudo updatedb; dmesg | grep -E '02:00|80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|ireless|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|ound|p54|prism|rror|rtl|RTL|rt2|RT2|rt3|RT3|rt5|RT5|rt6|RT6|rt7|RT7|usb|witch|wl';sudo dmidecode|grep -E 'anufact|roduct|erial|elease'; iwconfig; grep -E '80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|wmi|witch|wl' /etc/modprobe.d/*; cat /var/lib/NetworkManager/NetworkManager.state; sudo hwinfo --netcard ; ps -aux|grep -E 'wpa|icd|etwork'; netstat -rn ; cat /etc/resolv.conf; ls -lia /boot; grep tmpfs /etc/fstab; ubuntu-security-status; check-support-status ; sudo update-pciids; sudo lsmod
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HERE IS THE TERMINAL OUTPUT AFTER I RAN THE ABOVE LISTED DIAGNOSTIC COMMAND :

Hit:1 http://in.archive.ubuntu.com/ubuntu bionic InRelease
Get:2 http://in.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Get:3 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Get:4 http://in.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Get:5 http://in.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages [2,160 kB]
Get:6 http://security.ubuntu.com/ubuntu bionic-security/main amd64 DEP-11 Metadata [51.4 kB]
Get:7 http://in.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages [1,323 kB]
Get:8 http://security.ubuntu.com/ubuntu bionic-security/universe amd64 DEP-11 Metadata [57.8 kB]
Get:9 http://security.ubuntu.com/ubuntu bionic-security/multiverse amd64 DEP-11 Metadata [2,464 B]
Get:10 http://in.archive.ubuntu.com/ubuntu bionic-updates/main amd64 DEP-11 Metadata [294 kB]
Get:11 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe i386 Packages [1,571 kB]
Get:12 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 Packages [1,743 kB]
Get:13 http://in.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 DEP-11 Metadata [294 kB]
Get:14 http://in.archive.ubuntu.com/ubuntu bionic-updates/multiverse amd64 DEP-11 Metadata [2,468 B]
Get:15 http://in.archive.ubuntu.com/ubuntu bionic-backports/universe amd64 DEP-11 Metadata [9,272 B]
Fetched 7,762 kB in 5s (1,481 kB/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
usbutils is already the newest version (1:007-4build1).
usbutils set to manually installed.
grep is already the newest version (3.1-2build1).
pciutils is already the newest version (1:3.5.2-1ubuntu1.1).
pciutils set to manually installed.
rfkill is already the newest version (2.31.1-0.4ubuntu3.7).
rfkill set to manually installed.
The following packages were automatically installed and are no longer required:
  distro-info python3-click python3-colorama
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  libhd21 libx86emu1
The following NEW packages will be installed:
  debian-security-support hwinfo libhd21 libx86emu1
0 upgraded, 4 newly installed, 0 to remove and 2 not upgraded.
Need to get 784 kB of archives.
After this operation, 3,431 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://in.archive.ubuntu.com/ubuntu bionic/universe amd64 debian-security-support all 2018.01.29 [24.0 kB]
Get:2 http://in.archive.ubuntu.com/ubuntu bionic/universe amd64 libx86emu1 amd64 1.12-1 [48.1 kB]
Get:3 http://in.archive.ubuntu.com/ubuntu bionic/universe amd64 libhd21 amd64 21.52-1 [694 kB]
Get:4 http://in.archive.ubuntu.com/ubuntu bionic/universe amd64 hwinfo amd64 21.52-1 [18.0 kB]
Fetched 784 kB in 1s (700 kB/s)
Preconfiguring packages ...
Selecting previously unselected package debian-security-support.
(Reading database ... 164554 files and directories currently installed.)
Preparing to unpack .../debian-security-support_2018.01.29_all.deb ...
Unpacking debian-security-support (2018.01.29) ...
Selecting previously unselected package libx86emu1:amd64.
Preparing to unpack .../libx86emu1_1.12-1_amd64.deb ...
Unpacking libx86emu1:amd64 (1.12-1) ...
Selecting previously unselected package libhd21:amd64.
Preparing to unpack .../libhd21_21.52-1_amd64.deb ...
Unpacking libhd21:amd64 (21.52-1) ...
Selecting previously unselected package hwinfo.
Preparing to unpack .../hwinfo_21.52-1_amd64.deb ...
Unpacking hwinfo (21.52-1) ...
Setting up libx86emu1:amd64 (1.12-1) ...
Setting up libhd21:amd64 (21.52-1) ...
Setting up debian-security-support (2018.01.29) ...
Setting up hwinfo (21.52-1) ...
Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
Processing triggers for libc-bin (2.27-3ubuntu1.4) ...
  *-network
       description: Ethernet interface
       product: RTL810xE PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 07
       serial: 00:e0:4c:63:90:1c
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII
       resources: irq:17 ioport:e000(size=256) memory:f7c00000-f7c00fff memory:f0000000-f0003fff
  *-network
       description: Ethernet interface
       physical id: 2
       logical name: enp0s26u1u3
       serial: 12:40:11:af:a5:af
       capabilities: ethernet physical
       configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.42.102 link=yes multicast=yes
lo Interface doesn't support scanning.

enp2s0 Interface doesn't support scanning.

enp0s26u1u3 Interface doesn't support scanning.

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
 Subsystem: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:0123]
 Kernel driver in use: r8169
 Kernel modules: r8169
Bus 002 Device 005: ID 3938:1032
Bus 002 Device 004: ID 04f3:02f4 Elan Microelectronics Corp. 2.4G Cordless Mouse
Bus 002 Device 006: ID 0bda:f179 Realtek Semiconductor Corp.
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0781:5567 SanDisk Corp. Cruzer Blade
Bus 001 Device 005: ID 2717:ff80
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN
connected full enabled enabled enabled enabled
H/W path Device Class Description
==================================================================
                                        system To be filled by O.E.M. (To be filled by O.E.M.)
/0 bus H61
/0/0 memory 64KiB BIOS
/0/3d memory 1MiB L2 cache
/0/3e memory 256KiB L1 cache
/0/3f memory 6MiB L3 cache
/0/40 memory 16GiB System Memory
/0/40/0 memory 8GiB DIMM DDR3 Synchronous
/0/40/1 memory DIMM [empty]
/0/40/2 memory 8GiB DIMM DDR3 Synchronous
/0/40/3 memory DIMM [empty]
/0/41 processor Intel(R) Core(TM) i5-3470S CPU @ 2.90GHz
/0/100 bridge Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller
/0/100/2 display Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller
/0/100/1a bus 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
/0/100/1a/1 usb1 bus EHCI Host Controller
/0/100/1a/1/1 bus Integrated Rate Matching Hub
/0/100/1a/1/1/3 communication Redmi Note 8 Pro
/0/100/1a/1/1/4 scsi4 storage Cruzer Blade
/0/100/1a/1/1/4/0.0.0 /dev/sdb disk 15GB Cruzer Blade
/0/100/1a/1/1/4/0.0.0/0 /dev/sdb disk 15GB
/0/100/1a/1/1/4/0.0.0/0/1 /dev/sdb1 volume 14GiB Windows FAT volume
/0/100/1b multimedia 6 Series/C200 Series Chipset Family High Definition Audio Controller
/0/100/1c bridge 6 Series/C200 Series Chipset Family PCI Express Root Port 1
/0/100/1c.5 bridge 6 Series/C200 Series Chipset Family PCI Express Root Port 6
/0/100/1c.5/0 enp2s0 network RTL810xE PCI Express Fast Ethernet controller
/0/100/1d bus 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
/0/100/1d/1 usb2 bus EHCI Host Controller
/0/100/1d/1/1 bus Integrated Rate Matching Hub
/0/100/1d/1/1/1 generic 802.11n
/0/100/1d/1/1/3 input 2.4G Wireless Mouse
/0/100/1d/1/1/4 input 2.4G RF Keyboard & Mouse
/0/100/1f bridge H61 Express Chipset LPC Controller
/0/100/1f.2 storage 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller
/0/100/1f.3 bus 6 Series/C200 Series Chipset Family SMBus Controller
/0/1 scsi1 storage
/0/1/0.0.0 /dev/sda disk 500GB ST3500414CS
/0/1/0.0.0/1 volume 511MiB Windows FAT volume
/0/1/0.0.0/2 /dev/sda2 volume 465GiB EXT4 volume
/1 power To Be Filled By O.E.M.
/2 enp0s26u1u3 network Ethernet interface
Linux anoop-desktop 5.4.0-80-generic #90~18.04.1-Ubuntu SMP Tue Jul 13 19:40:02 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
[ 0.011573] found SMP MP-table at [mem 0x000fd710-0x000fd71f]
[ 0.012911] No NUMA configuration found
[ 0.122604] APIC: Switch to symmetric I/O mode setup
[ 0.123007] Switched APIC routing to cluster x2apic.
[ 0.147937] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.147937] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.159597] core: PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off
[ 0.183946] pci 0000:02:00.0: [10ec:8136] type 00 class 0x020000
[ 0.184068] pci 0000:02:00.0: reg 0x10: [io 0xe000-0xe0ff]
[ 0.184163] pci 0000:02:00.0: reg 0x18: [mem 0xf7c00000-0xf7c00fff 64bit]
[ 0.184224] pci 0000:02:00.0: reg 0x20: [mem 0xf0000000-0xf0003fff 64bit pref]
[ 0.184703] pci 0000:02:00.0: supports D1 D2
[ 0.184704] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.186770] usbcore: registered new interface driver usbfs
[ 0.186770] usbcore: registered new interface driver hub
[ 0.186770] usbcore: registered new device driver usb
[ 0.191631] clocksource: Switched to clocksource tsc-early
[ 0.202970] pnp: PnP ACPI: found 7 devices
[ 0.211661] pci 0000:02:00.0: CLS mismatch (64 != 32), using 64 bytes
[ 0.754688] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 0.754689] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.754690] usb usb1: Product: EHCI Host Controller
[ 0.754691] usb usb1: Manufacturer: Linux 5.4.0-80-generic ehci_hcd
[ 0.754692] usb usb1: SerialNumber: 0000:00:1a.0
[ 0.754822] hub 1-0:1.0: USB hub found
[ 0.774688] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[ 0.774689] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.774690] usb usb2: Product: EHCI Host Controller
[ 0.774691] usb usb2: Manufacturer: Linux 5.4.0-80-generic ehci_hcd
[ 0.774692] usb usb2: SerialNumber: 0000:00:1d.0
[ 0.774813] hub 2-0:1.0: USB hub found
[ 0.775013] i8042: PNP: No PS/2 controller found.
[ 0.785577] RAS: Correctable Errors collector initialized.
[ 0.792724] ima: No TPM chip found, activating TPM-bypass!
[ 0.792733] ima: No architecture policies found
[ 0.823642] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 0.831177] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 0.905708] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control
[ 0.905738] r8169 0000:02:00.0: enabling device (0100 -> 0103)
[ 0.907987] r8169 0000:02:00.0 eth0: RTL8106e, 00:e0:4c:63:90:1c, XID 449, IRQ 29
[ 0.928068] r8169 0000:02:00.0 enp2s0: renamed from eth0
[ 1.014657] usb 1-1: new high-speed USB device number 2 using ehci-pci
[ 1.034642] usb 2-1: new high-speed USB device number 2 using ehci-pci
[ 1.171068] usb 1-1: New USB device found, idVendor=8087, idProduct=0024, bcdDevice= 0.00
[ 1.171069] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.171299] hub 1-1:1.0: USB hub found
[ 1.191035] usb 2-1: New USB device found, idVendor=8087, idProduct=0024, bcdDevice= 0.00
[ 1.191036] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 1.191343] hub 2-1:1.0: USB hub found
[ 1.227743] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.SPT1._GTF.DSSP], AE_NOT_FOUND (20190816/psargs-330)
[ 1.227751] No Local Variables are initialized for Method [_GTF]
[ 1.227752] No Arguments are initialized for method [_GTF]
[ 1.227753] ACPI Error: Aborting method \_SB.PCI0.SAT0.SPT1._GTF due to previous error (AE_NOT_FOUND) (20190816/psparse-531)
[ 1.229133] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.SPT1._GTF.DSSP], AE_NOT_FOUND (20190816/psargs-330)
[ 1.229140] No Local Variables are initialized for Method [_GTF]
[ 1.229141] No Arguments are initialized for method [_GTF]
[ 1.229142] ACPI Error: Aborting method \_SB.PCI0.SAT0.SPT1._GTF due to previous error (AE_NOT_FOUND) (20190816/psparse-531)
[ 1.458642] usb 1-1.4: new high-speed USB device number 3 using ehci-pci
[ 1.486640] usb 2-1.2: new high-speed USB device number 3 using ehci-pci
[ 1.567544] usb 1-1.4: New USB device found, idVendor=0781, idProduct=5567, bcdDevice= 1.00
[ 1.567545] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.567546] usb 1-1.4: Product: Cruzer Blade
[ 1.567546] usb 1-1.4: Manufacturer: SanDisk
[ 1.567547] usb 1-1.4: SerialNumber: 03017208122320040450
[ 1.570255] usb-storage 1-1.4:1.0: USB Mass Storage device detected
[ 1.570409] scsi host4: usb-storage 1-1.4:1.0
[ 1.570475] usbcore: registered new interface driver usb-storage
[ 1.571495] usbcore: registered new interface driver uas
[ 1.595544] usb 2-1.2: New USB device found, idVendor=0bda, idProduct=f179, bcdDevice= 0.00
[ 1.595545] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.595546] usb 2-1.2: Product: 802.11n
[ 1.595546] usb 2-1.2: Manufacturer: Realtek
[ 1.595547] usb 2-1.2: SerialNumber: 00E0282D7A3F
[ 1.674642] usb 2-1.3: new low-speed USB device number 4 using ehci-pci
[ 1.758688] clocksource: Switched to clocksource tsc
[ 1.792086] usb 2-1.3: New USB device found, idVendor=04f3, idProduct=02f4, bcdDevice= 9.01
[ 1.792087] usb 2-1.3: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 1.792088] usb 2-1.3: Product: 2.4G Wireless Mouse
[ 1.796558] Console: switching to colour frame buffer device 80x30
[ 1.800390] usbcore: registered new interface driver usbhid
[ 1.800390] usbhid: USB HID core driver
[ 1.802298] input: 2.4G Wireless Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/0003:04F3:02F4.0001/input/input2
[ 1.802367] input: 2.4G Wireless Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/0003:04F3:02F4.0001/input/input3
[ 1.802429] hid-generic 0003:04F3:02F4.0001: input,hiddev0,hidraw0: USB HID v1.11 Mouse [2.4G Wireless Mouse] on usb-0000:00:1d.0-1.3/input0
[ 1.870658] usb 2-1.4: new full-speed USB device number 5 using ehci-pci
[ 1.984959] usb 2-1.4: New USB device found, idVendor=3938, idProduct=1032, bcdDevice= 1.08
[ 1.984960] usb 2-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 1.984961] usb 2-1.4: Product: 2.4G RF Keyboard & Mouse
[ 1.984962] usb 2-1.4: Manufacturer: MOSART Semi.
[ 1.986342] input: MOSART Semi. 2.4G RF Keyboard & Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/0003:3938:1032.0002/input/input4
[ 2.042856] hid-generic 0003:3938:1032.0002: input,hidraw1: USB HID v1.10 Keyboard [MOSART Semi. 2.4G RF Keyboard & Mouse] on usb-0000:00:1d.0-1.4/input0
[ 2.044852] input: MOSART Semi. 2.4G RF Keyboard & Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/0003:3938:1032.0003/input/input5
[ 2.044979] input: MOSART Semi. 2.4G RF Keyboard & Mouse Consumer Control as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/0003:3938:1032.0003/input/input6
[ 2.102788] input: MOSART Semi. 2.4G RF Keyboard & Mouse System Control as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/0003:3938:1032.0003/input/input7
[ 2.102909] input: MOSART Semi. 2.4G RF Keyboard & Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/0003:3938:1032.0003/input/input9
[ 2.103214] hid-generic 0003:3938:1032.0003: input,hiddev1,hidraw2: USB HID v1.10 Mouse [MOSART Semi. 2.4G RF Keyboard & Mouse] on usb-0000:00:1d.0-1.4/input1
[ 5.787804] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
[ 6.662421] lp: driver loaded but no devices found
[ 10.415160] lpc_ich: Resource conflict(s) found affecting gpio_ich
[ 12.859420] fb0: switching to inteldrmfb from EFI VGA
[ 12.859508] Console: switching to colour dummy device 80x25
[ 12.981408] Console: switching to colour frame buffer device 240x67
[ 13.341058] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 14.362684] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 14.362725] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 14.362758] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13
[ 14.362793] input: HDA Intel PCH Line Out as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14
[ 14.362826] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
[ 14.362859] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16
[ 14.968365] intel_rapl_common: Found RAPL domain package
[ 14.968367] intel_rapl_common: Found RAPL domain core
[ 14.968367] intel_rapl_common: Found RAPL domain uncore
[ 29.862313] RTL8208 Fast Ethernet r8169-200:00: attached PHY driver [RTL8208 Fast Ethernet] (mii_bus:phy_addr=r8169-200:00, irq=IGNORE)
[ 30.119989] r8169 0000:02:00.0 enp2s0: Link is Down
[ 65.218644] usb 1-1.3: new high-speed USB device number 4 using ehci-pci
[ 65.327956] usb 1-1.3: New USB device found, idVendor=2717, idProduct=ff40, bcdDevice= 4.04
[ 65.327959] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 65.327961] usb 1-1.3: Product: Redmi Note 8 Pro
[ 65.327962] usb 1-1.3: Manufacturer: Xiaomi
[ 65.327964] usb 1-1.3: SerialNumber: t8so7dln7thyvsyh
[ 87.267582] usb 1-1.3: USB disconnect, device number 4
[ 87.562647] usb 1-1.3: new high-speed USB device number 5 using ehci-pci
[ 87.671923] usb 1-1.3: New USB device found, idVendor=2717, idProduct=ff80, bcdDevice= 4.04
[ 87.671926] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 87.671928] usb 1-1.3: Product: Redmi Note 8 Pro
[ 87.671930] usb 1-1.3: Manufacturer: Xiaomi
[ 87.671931] usb 1-1.3: SerialNumber: t8so7dln7thyvsyh
[ 87.751601] usbcore: registered new interface driver cdc_ether
[ 87.758815] rndis_host 1-1.3:1.0 usb0: register 'rndis_host' at usb-0000:00:1a.0-1.3, RNDIS device, 6a:51:3a:60:51:a0
[ 87.758896] usbcore: registered new interface driver rndis_host
[ 87.769784] rndis_host 1-1.3:1.0 enp0s26u1u3: renamed from usb0
[ 356.086726] usb 2-1.2: USB disconnect, device number 3
[ 915.920294] usb 2-1.1: new high-speed USB device number 6 using ehci-pci
[ 916.029186] usb 2-1.1: New USB device found, idVendor=0bda, idProduct=f179, bcdDevice= 0.00
[ 916.029189] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 916.029191] usb 2-1.1: Product: 802.11n
[ 916.029192] usb 2-1.1: Manufacturer: Realtek
[ 916.029194] usb 2-1.1: SerialNumber: 00E0282D7A3F
 Release Date: 05/05/2019
  Serial services are supported (int 14h)
 Manufacturer: To be filled by O.E.M.
 Product Name: To be filled by O.E.M.
 Serial Number: To be filled by O.E.M.
 Manufacturer: INTEL Corporation
 Product Name: H61
 Serial Number: To be filled by O.E.M.
 Manufacturer: To Be Filled By O.E.M.
 Serial Number: To Be Filled By O.E.M.
 Port Type: Serial Port 16550A Compatible
 Manufacturer: To Be Filled By O.E.M.
 Serial Number: To Be Filled By O.E.M.
 Manufacturer: Intel(R) Corporation
 Serial Number: Not Specified
 Manufacturer: Hynix/Hyundai
 Serial Number: 46579BFE
 Manufacturer: [Empty]
 Serial Number: [Empty]
 Manufacturer: Hynix/Hyundai
 Serial Number: 46579BFE
 Manufacturer: [Empty]
 Serial Number: [Empty]
lo no wireless extensions.

enp2s0 no wireless extensions.

enp0s26u1u3 no wireless extensions.

/etc/modprobe.d/alsa-base.conf:install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
/etc/modprobe.d/blacklist-ath_pci.conf:# which ath5k cannot recover. To prevent this condition, stop
/etc/modprobe.d/blacklist-ath_pci.conf:blacklist ath_pci
/etc/modprobe.d/blacklist.conf:blacklist eth1394
/etc/modprobe.d/blacklist.conf:# replaced by p54pci
/etc/modprobe.d/blacklist.conf:blacklist prism54
/etc/modprobe.d/blacklist.conf:# replaced by b43 and ssb.
/etc/modprobe.d/blacklist.conf:blacklist bcm43xx
/etc/modprobe.d/blacklist-oss.conf:blacklist uart6850
/etc/modprobe.d/iwlwifi.conf:# /etc/modprobe.d/iwlwifi.conf
/etc/modprobe.d/iwlwifi.conf:# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
/etc/modprobe.d/iwlwifi.conf:# microcode file installed on the system. When removing iwlwifi, first
/etc/modprobe.d/iwlwifi.conf:# remove the iwl?vm module and then iwlwifi.
/etc/modprobe.d/iwlwifi.conf:remove iwlwifi \
/etc/modprobe.d/iwlwifi.conf:(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
/etc/modprobe.d/iwlwifi.conf:&& /sbin/modprobe -r mac80211
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
10: PCI 200.0: 0200 Ethernet controller
  [Created at pci.378]
  Unique ID: c3qJ.mwO5W1Ap2Z6
  Parent ID: HnsE.RUe4wmjyU30
  SysFS ID: /devices/pci0000:00/0000:00:1c.5/0000:02:00.0
  SysFS BusID: 0000:02:00.0
  Hardware Class: network
  Model: "Realtek RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller"
  Vendor: pci 0x10ec "Realtek Semiconductor Co., Ltd."
  Device: pci 0x8136 "RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller"
  SubVendor: pci 0x10ec "Realtek Semiconductor Co., Ltd."
  SubDevice: pci 0x0123
  Revision: 0x07
  Driver: "r8169"
  Driver Modules: "r8169"
  Device File: enp2s0
  I/O Ports: 0xe000-0xefff (rw)
  Memory Range: 0xf7c00000-0xf7c00fff (rw,non-prefetchable)
  Memory Range: 0xf0000000-0xf0003fff (ro,non-prefetchable)
  IRQ: 17 (no events)
  HW Address: 00:e0:4c:63:90:1c
  Permanent HW Address: 00:e0:4c:63:90:1c
  Link detected: no
  Module Alias: "pci:v000010ECd00008136sv000010ECsd00000123bc02sc00i00"
  Driver Info #0:
    Driver Status: r8169 is active
    Driver Activation Cmd: "modprobe r8169"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #11 (PCI bridge)
root 670 0.0 0.1 558724 16744 ? Ssl 17:55 0:00 /usr/sbin/NetworkManager --no-daemon
root 671 0.0 0.0 45236 2980 ? Ss 17:55 0:00 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
root 676 0.0 0.1 170532 17276 ? Ssl 17:55 0:00 /usr/bin/python3 /usr/bin/networkd-dispatcher --run-startup-triggers
root 1420 0.0 0.0 25988 6208 ? S 17:56 0:00 /sbin/dhclient -d -q -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf /run/dhclient-enp0s26u1u3.pid -lf /var/lib/NetworkManager/dhclient-ffd7dbab-3a11-30c3-bbd9-c7da79c96f54-enp0s26u1u3.lease -cf /var/lib/NetworkManager/dhclient-enp0s26u1u3.conf enp0s26u1u3
anoop 3981 0.0 0.0 14432 1092 pts/0 S+ 18:41 0:00 grep --color=auto -E wpa|icd|etwork

Command 'netstat' not found, but can be installed with:

sudo apt install net-tools

# This file is managed by man:systemd-resolved(8). Do not edit.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "systemd-resolve --status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs must not access this file directly, but only through the
# symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a different way,
# replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
options edns0
total 112072
17694721 drwxr-xr-x 4 root root 4096 Jul 27 14:25 .
       2 drwxr-xr-x 24 root root 4096 Jul 27 13:56 ..
17694725 -rw-r--r-- 1 root root 237786 Jul 10 2020 config-5.4.0-42-generic
17694733 -rw-r--r-- 1 root root 237757 Jul 13 23:22 config-5.4.0-80-generic
       1 drwx------ 3 root root 4096 Jan 1 1970 efi
17694723 drwxr-xr-x 5 root root 4096 Jul 27 14:23 grub
17694740 -rw-r--r-- 1 root root 42425599 Jul 27 14:23 initrd.img-5.4.0-42-generic
17694739 -rw-r--r-- 1 root root 43275273 Jul 27 14:25 initrd.img-5.4.0-80-generic
17694726 -rw-r--r-- 1 root root 182704 Jan 28 2016 memtest86+.bin
17694727 -rw-r--r-- 1 root root 184380 Jan 28 2016 memtest86+.elf
17694728 -rw-r--r-- 1 root root 184840 Jan 28 2016 memtest86+_multiboot.bin
17694724 -rw------- 1 root root 4573787 Jul 10 2020 System.map-5.4.0-42-generic
17694732 -rw------- 1 root root 4587397 Jul 13 23:22 System.map-5.4.0-80-generic
17694731 -rw-r--r-- 1 root root 9371904 Jun 20 19:59 vmlinuz-5.4.0-42-generic
17694734 -rw------- 1 root root 9453824 Jul 13 23:58 vmlinuz-5.4.0-80-generic
ubuntu-security-status: command not found
Downloaded daily snapshot dated 2021-07-25 03:15:02
Module Size Used by
rndis_host 20480 0
cdc_ether 20480 1 rndis_host
usbnet 45056 2 rndis_host,cdc_ether
mii 16384 1 usbnet
nls_iso8859_1 16384 2
intel_rapl_msr 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
x86_pkg_temp_thermal 20480 0
intel_powerclamp 20480 0
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 131072 1
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
coretemp 20480 0
ledtrig_audio 16384 2 snd_hda_codec_generic,snd_hda_codec_realtek
snd_hda_intel 49152 5
kvm_intel 253952 0
snd_intel_dspcfg 28672 1 snd_hda_intel
kvm 659456 1 kvm_intel
joydev 28672 0
input_leds 16384 0
snd_hda_codec 135168 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
i915 1982464 18
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
crct10dif_pclmul 16384 1
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 102400 5 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
crc32_pclmul 16384 0
snd_seq_midi 20480 0
ghash_clmulni_intel 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
aesni_intel 372736 0
drm_kms_helper 188416 1 i915
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
crypto_simd 16384 1 aesni_intel
drm 491520 7 drm_kms_helper,i915
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
i2c_algo_bit 16384 1 i915
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
glue_helper 16384 1 aesni_intel
fb_sys_fops 16384 1 drm_kms_helper
snd_timer 36864 2 snd_seq,snd_pcm
syscopyarea 16384 1 drm_kms_helper
snd 86016 20 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi
rapl 20480 0
sysfillrect 16384 1 drm_kms_helper
soundcore 16384 1 snd
intel_cstate 20480 0
sysimgblt 16384 1 drm_kms_helper
lpc_ich 24576 0
mac_hid 16384 0
sch_fq_codel 20480 3
parport_pc 40960 0
ppdev 24576 0
lp 20480 0
parport 53248 3 parport_pc,lp,ppdev
ip_tables 32768 0
x_tables 45056 1 ip_tables
autofs4 45056 2
hid_generic 16384 0
usbhid 53248 0
hid 126976 2 usbhid,hid_generic
uas 28672 0
usb_storage 77824 2 uas
r8169 90112 0
ahci 40960 2
realtek 24576 1
libahci 32768 1 ahci
video 49152 1 i915

-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
I am using a USB wireless dongle to connect with WiFi. It was working fine with the Windows 10 previously now that i have installed the Ubuntu 18.04 LTS removing the windows. It stopped working. Please help on how to make it work again.