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I have a dual-boot of Windows 7 and Ubuntu 11.10 on my MSI X350.

During the installation process and some time after the wireless worked just fine and I used the internet connection to install updates and everything.

(I think) because of the distance to the router I sometimes had to reconnect manually (click on the wireless button in the syslink and then click on my wifi network), but that was ok.

The problem is that one time I could not reconnect so I shut the wifi off and on again to try another reconnect, but since then I wasn't able to reconnect to the wifi and now I cannot even switch on the wifi anymore (it seems permanently disabled or something). Under Win7 however, everything works fine (wifi connection and internet, as before).

tl;dr : My wifi used to work under Win7 and Ub11.10 and then stopped working under Ub11.10.

Info/Hardware(hopefully it's readable, because I had to save the logs and open them again under Win7 and the formation was lost):

iwconfig

lo
no wireless extensions.

eth0
no wireless extensions.

wlan0
IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off

sudo lshw -C network

*-network

  - description: Ethernet interface
  - product: RTL8111/8168B PCI Express Gigabit Ethernet controller
  - vendor: Realtek Semiconductor Co., Ltd.
  - physical id: 0
  - bus info: pci@0000:02:00.0
  - logical name: eth0
  - version: 02
  - serial: 40:61:86:bc:1e:f6
  - size: 10Mbit/s
  - capacity: 1Gbit/s
  - width: 64 bits
  - clock: 33MHz
  - capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
  - configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s
  - resources: irq:42 ioport:e800(size=256) memory:feaff000-feafffff   memory:fdff0000-fdffffff memory:feac0000-feadffff

*-network DISABLED

  - description: Wireless interface
  - product: RT3090 Wireless 802.11n 1T/1R PCIe
  - vendor: Ralink corp.
  - physical id: 0
  - bus info: pci@0000:03:00.0
  - logical name: wlan0
  - version: 00
  - serial: 6c:62:6d:1a:3a:dd
  - width: 32 bits
  - clock: 33MHz
  - capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
  - configuration: broadcast=yes driver=rt2800pci driverversion=3.0.0-13-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
  - resources: irq:19 memory:febf0000-febfffff

sudo lspci -nn

  • 00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
    • 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
    • 00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
    • 00:1a.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
    • 00:1a.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
    • 00:1a.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
    • 00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
    • 00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
    • 00:1c.3 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 [8086:2946] (rev 03)
    • 00:1d.0 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
    • 00:1d.1 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
    • 00:1d.2 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
    • 00:1d.7 USB Controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
    • 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
    • 00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M-E LPC Interface Controller [8086:2917] (rev 03)
    • 00:1f.2 SATA controller [0106]: Intel Corporation ICH9M/M-E SATA AHCI Controller [8086:2929] (rev 03)
    • 00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
    • 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
    • 03:00.0 Network controller [0280]: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe [1814:3090]

rfkill list all

0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no

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closed as too localized by Marco Ceppi Dec 21 '11 at 13:13

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Welcome to Ask Ubuntu! We need more hardware information to help you, can you look at this question and then edit your question adding the information? –  Jorge Castro Dec 2 '11 at 16:18
    
What is the output from: sudo lshw -C network and iwconfig? –  david6 Dec 2 '11 at 20:53
    
Thanks for the quick answers, I added the logs that seemed relevant. –  Xaleander Dec 2 '11 at 23:38
    
please add rfkill list all to your question. –  fossfreedom Dec 2 '11 at 23:41
    
ok, added rfkill list all –  Xaleander Dec 11 '11 at 8:09

1 Answer 1

Ok, I resolved the problem myself.
My wifi is switched off after boot up and I just didn't switch it on. No wonder I didn't get a connection.
Thanks for your time.

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