Wifi not working in Ubuntu 26.04 - Lenovo Thinkpad T16 Gen2

[Jeremy31]

Can you provide results for the wireless script Network Connection Troubleshooting - #2

[rjpathan19]

please see attached result of wireless-info script:
https://drive.google.com/file/d/1G100b6ZKgq3_e6T6Kv7xdcZI3wtm2eXg/view?usp=sharing

[Jeremy31]

any results for sudo dmesg | grep iwl

[rjpathan19]

@Jeremy31

sudo dmesg | grep iwl

[tea-for-one]

Your wireless report shows

SecureBoot enabled

Perhaps, disable Secure Boot temporarily

---

2: phy0: Wireless LAN
	Soft blocked: yes
	Hard blocked: no

Try this command

sudo rfkill unblock wifi

Or this one

sudo rfkill unblock all

---

From your screenshot

RFIm is deactivated, reason=4

On/off wifi switch?
Laptop function switch? e.g. FN F7 Airplane Mode on my laptop
UEFI wifi option?

---

Power Management - Try disabling powersave

sudo nano /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

2 = disable
3 = enable

[rjpathan19]

SecureBoot disabled and followed other steps but still the same issue

[tea-for-one]

(a) Ensure that you have the latest linux-firmware

sudo apt update

Then

sudo apt install --reinstall linux-firmware

---

(b) Do you have an option in UEFI settings to enable/disable wifi?

If so:-

Power off the laptop
Access UEFI settings and disable wifi
Boot once and power off completely
Press the power button for 30 seconds to drain residual power
Power on and access UEFI to enable wifi
Boot into Ubuntu 26.04

Any joy with wifi?

[Jeremy31]

You could try asking at https://community.intel.com/t5/Wireless/bd-p/wireless and see if they have an answer

[rjpathan19]

@tea-for-one followed steps to update linux-firmware and UEFI settings to enable/disable wifi. But it doesn’t resolve it.

I will try to resize existing partition to free up space & try installing windows 10 on it

[celticwarrior]

If the reason for dual-booting is to (definitely) test the WiFi under a different OS, there are better options that don’t require installation, e.g. Hiren’s BootCD PE is the closest you can get to a “Windows live session”. It’s useful for this test because it contains most of the “native” WiFi drivers the full Windows 11 has.

[rjpathan19]

I tried this today Hiren’s BootCD PE but seems it’s not booting into windows.

I am not sure if I have option other than resizing partition to free up space & dual boot install windows to check wifi network function on it
( I just don’t want to fully format the Ubuntu system & install windows at this moment )

[celticwarrior]

Possibly a corrupt download. You should perhaps download (& verify) Hiren’s ISO from another computer and then use a known good USB stick.

[rjpathan19]

Update:

I just resized the existing ubuntu partition to free up about 70 GB and installed Windows 10 Pro. Even after installing network drivers from lenovo source https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-t16-gen-2-type-21hh-21hj/21hj/21hjcto1ww/pf4w0ldy/downloads/driver-list/ bluetooth & network devices are not working.

Sent this to lenovo support & hoping it to be fixed soon.

[Jeremy31]

Did you install the Intel AX211 wifi driver from the Lenovo site?

[rjpathan19]

Yes, I did install along with other drivers from lenovo but above error screenshots taken after installing drivers.

[Jeremy31]

Any chance you can use USB tethering to a smartphone and let Windows search for drivers?