WiFi not working after upgrading from 20.04 LTS to 22.04 LTS

[loki-99]

Hi,

I've upgraded my Ubuntu 20.04 LTS to 22.04 LTS today and lost WiFi connection on my laptop (Not even showing the WiFi icon).

Below are the outputs for some of the commands related to WiFi card.

lspci | grep -i realtek

3f:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
40:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter (rev ff)

lshw -C network

*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:3f:00.0
logical name: enp63s0
version: 15
serial: 9c:5a:44:39:df:29
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.15.0-40-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
resources: irq:16 ioport:4000(size=256) memory:63204000-63204fff memory:63200000-63203fff



Tired of using internet via cable connection

[mIk3_08]

Hi,

I've upgraded my Ubuntu 20.04 LTS to 22.04 LTS today and lost WiFi connection on my laptop (Not even showing the WiFi icon).

Below are the outputs for some of the commands related to WiFi card.

lspci | grep -i realtek

3f:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
40:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter (rev ff)

lshw -C network

*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:3f:00.0
logical name: enp63s0
version: 15
serial: 9c:5a:44:39:df:29
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.15.0-40-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
resources: irq:16 ioport:4000(size=256) memory:63204000-63204fff memory:63200000-63203fff

Tired of using internet via cable connection

Your WiFi totally vanish... There is no such information about your WiFi device.
Please run the script below and post the information or pastebin link in this thread. Regards and cheers.

https://github.com/UbuntuForums/system-info

[loki-99]

Hi mlk3_08,

Thanks for the reply.

Below is the link of pastebin

https://paste.ubuntu.com/p/hGw4tdwJF3/