rfkill list not showing wifi (phy0)

[JeremyB]

Any results for

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dmesg | grep D3cold

[bitto]

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[0.872947] pci 0000:00:14.0: PME# supported from D3hot D3cold
[0.890442] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold
[0.896814] pci 0000:00:1f.3: PME# supported from D3hot D3cold
[0.901270] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold
[22.473492] pci 0000:01:00.0: Unable to change power state from D3COLD to D0, device inaccessible 
[22.537747] iwlwifi 0000:01:00.0: Unable to change power state from D3COLD to D0, device inaccessible 

[JeremyB]

Do a

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xed admin:///etc/default/grub

Likely have to enter your password twice, got to line with

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GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

and change it to

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GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_port_pm=off"

Save and exit editor, then sudo update-grub
Reboot
Hopefully wifi will work

[bitto]

It doesn't work. I have to insert the password just one time. Before it opens the file on the terminal appears the line:

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**(xed:1762):WARNING**:06:30:44:069:La posizione specificata non è montata

The last part is in Italian, I think a good translation should be: "the specified position is not set".
Also default was not

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quiet splash

but

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quiet