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[LETHAL <lethall1@xxxxxxx>]

set default bios configuration solved the problem. 
Even if wifi adapter was enabled.

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https://bugs.launchpad.net/bugs/875668

Title:
  wifi network disabled

Status in “network-manager” package in Ubuntu:
  New

Bug description:
  Hello everyone.

  I have Dell Inspiron Mini 1018 netbook whith Kubuntu 11.10 (just installed), windows 7 and backtrack 5. 
  After installing Kubuntu i have disabled my wifi card from network-manager and now i can not enable it again.

  lspci
  07:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter (rev 01) 

  lsmod
  rtl8192ce              75448  0 
  rtl8192c_common        69519  1 rtl8192ce
  rtlwifi                95614  1 rtl8192ce
  mac80211              272785  3 rtl8192ce,rtl8192c_common,rtlwifi
  cfg80211              172392  2 rtlwifi,mac80211

  uname -a
  3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686 i686 i386 GNU/Linux  

  network-manager 0.9.1.90-0ubuntu3

  KDE version 4.0.1

  After disabled network i tried to enable it again, but button "Enable
  wifi" is blocked.

  sudo ifconfig wlan0 up
  SIOCSIFFLAGS: Operation not possible due to RF-kill 

  sudo iwconfig
  wlan0     IEEE 802.11bgn  ESSID:off/any  
            Mode:Managed  Access Point: Not-Associated   Tx-Power=off   
            Retry  long limit:7   RTS thr=2347 B   Fragment thr:off
            Encryption key:off
            Power Management:on

  i tried to make 
  sudo rfkill list
  0: dell-wifi: Wireless LAN
          Soft blocked: yes
          Hard blocked: yes
  1: phy0: Wireless LAN
          Soft blocked: no
          Hard blocked: yes

  sudo rfkill unblock 1 (0, all, wifi)
  sudo rfkill event 
  1318763694.128874: idx 0 type 1 op 0 soft 1 hard 1
  1318763694.129042: idx 1 type 1 op 0 soft 0 hard 1
  1318763709.202209: idx 0 type 1 op 2 soft 1 hard 1
  1318763709.202263: idx 1 type 1 op 2 soft 0 hard 1

  After reboot nothing changed
  Tried to rm rfkill and whith purge, autoremove, rm /dev/rfkill
  reboot - nothing

  I have booted in to windows 7 and there is the same situation (is adapter, no network)
  I have booted in to backtrack 5 and there IS wifi network, adapter works greate.

  I have no idea what to do.

  any sugestions?

  Thanks, LETHAL

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