kernel-packages team mailing list archive

[wunaitian <zpsbit@xxxxxxxxxxx>]

I am using HP Pavilion g4 with ralink rt5390. After I installed the
ubuntu 14.04 with 3.19 kernel, the wifi didn`t work and also the wifi
disable/enable button didn`t work. Then I remove the "acpi=off" in
/etc/default/grub and run "update-grub", and reboot. I don`t why but it
really works. And maybe it can help you.

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https://bugs.launchpad.net/bugs/1173759

Title:
  Ubuntu 13.04 can detect wi-fi but can't connect

Status in linux package in Ubuntu:
  Expired

Bug description:
  HP Pavilion laptop with Ralink RT5390 wireless interface

  1. Can detect home wi-fi signal but can't connect. Keeps asking for
  password then "disconnects" over and over again.

  2. All other computers, tablets, and smartphones at home can connect
  to the wi-fi without any trouble at all.

  3. HP Pavilion laptop can connect to the internet if tethered to my
  smartphone (used as a portable wi-fi hotspot).

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