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Thread: Wifi broken after updating 12.04

  1. #1
    Join Date
    Apr 2013
    Beans
    10

    Wifi broken after updating 12.04

    I installed 12.04 on a Thinkpad w530 with Windows 7 preinstalled.

    Wifi worked perfectly until I allowed ubuntu to install upgrades and restart, after which I could not use the available Wifi networks. The one I'd been using was no longer detected, but others were detected. Wifi still works fine in the Windows partition.

    I installed Wicd and purged Network Manager, as per instructions found here:

    http://www.techdrivein.com/2012/09/s...204-fixed.html

    All networks are detected, but I cannot connect (Wicd flashes "Bad Password" after hanging on "verifying authentication" for about a minute). Wired connection is working.

    This is my first post and I know nothing. Thanks for your time!

  2. #2
    Join Date
    Apr 2013
    Beans
    10

    Re: Wifi broken after updating 12.04

    New development:

    Wifi alternates between working and giving me the same "Bad Password" result. Only action I took between the above post and now was to boot in recovery mode (as suggested in a reply to another of my posts about failing to "restart"). But I didn't do anything in recovery mode, just booted into it and shutdown again.

    I can't call this resolved because I have still have no idea what's going on. Ideas, anyone?
    Last edited by Zornicator; May 5th, 2013 at 06:38 PM.

  3. #3
    Join Date
    Nov 2012
    Beans
    39
    Distro
    Ubuntu 13.04 Raring Ringtail

    Re: Wifi broken after updating 12.04

    Type the following commands into the terminal and post the results
    Code:
    lspci
    lsusb
    Do you know why snow is white? Because it forgot what colour it was.
    You really hate it when people die, yet you're in the army. Why is that?
    I'm in the army so they won't die.
    That contradiction might kill you someday.


  4. #4
    Join Date
    Apr 2013
    Beans
    10

    Re: Wifi broken after updating 12.04

    Thanks BluNova, here are the results:

    for lspci:

    Code:
    00:00.0 Host bridge: Intel Corporation Ivy Bridge DRAM Controller (rev 09)
    00:01.0 PCI bridge: Intel Corporation Ivy Bridge PCI Express Root Port (rev 09)
    00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)
    00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04)
    00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
    00:16.3 Serial controller: Intel Corporation Panther Point KT Controller (rev 04)
    00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
    00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04)
    00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
    00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4)
    00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 (rev c4)
    00:1c.2 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 3 (rev c4)
    00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04)
    00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
    00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04)
    00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
    01:00.0 VGA compatible controller: NVIDIA Corporation Device 0ffc (rev a1)
    02:00.0 System peripheral: Ricoh Co Ltd MMC/SD Host Controller (rev 08)
    02:00.3 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 PCIe IEEE 1394 Controller (rev 04)
    03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev 34)
    And for lsusb:

    Code:
    Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 147e:2020 Upek 
    Bus 001 Device 004: ID 04f2:b2eb Chicony Electronics Co., Ltd

  5. #5
    Join Date
    Apr 2013
    Beans
    10

    Re: Wifi broken after updating 12.04

    Is there any way this had to do with dual booting? I have since reinstalled, giving the whole device over to Ubuntu. No problems with wireless now!

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