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I have 'No Wi-Fi Adapter Found' issue in OS Name:Ubuntu 20.04.6 LTS,OS-Type:64-bit,GNOME Version:3.36.8 and it is a dual boot system with windows 7

af flag
lenovo@lenovo-ThinkPad-L450:~$ lspci

Output:

00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection (3) I218-V (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.5 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #6 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
05:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader (rev 01)
lenovo@lenovo-ThinkPad-L450:~$ sudo lshw -C network

Output:


    *-network                 
       description: Ethernet interface
       product: Ethernet Connection (3) I218-V
       vendor: Intel Corporation
       physical id: 19
       bus info: pci@0000:00:19.0
       logical name: enp0s25
       version: 03
       serial: 50:7b:9d:7e:de:d6
       capacity: 1Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=5.15.0-79-generic firmware=0.2-3 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:44 memory:f1100000-f111ffff memory:f113e000-f113efff ioport:3080(size=32)
  *-network
       description: Ethernet interface
       physical id: 2
       bus info: usb@2:4
       logical name: usb0
       serial: 1e:91:7d:3f:58:2a
       capabilities: ethernet physical
       configuration: autonegotiation=off broadcast=yes driver=rndis_host driverversion=5.15.0-79-generic duplex=half firmware=RNDIS device ip=192.168.115.237 link=yes multicast=yes port=twisted pair
waltinator avatar
it flag
Does this answer your question? [My wireless/WiFi connection does not work. What information is needed to diagnose the issue?](https://askubuntu.com/questions/425155/my-wireless-wifi-connection-does-not-work-what-information-is-needed-to-diagnos)
Soham Mane avatar
af flag
@waltinator i executed the script,but the details on the github repo of the scipt have absolutely no clue on what to do after executing the script!
waltinator avatar
it flag
Read the output of the script. The script is a compilation of all the networking checks that have benn found useful and could be automated. It should lead you towards a solution.
mangohost

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