Can't enable wifi on ubuntu 12.04 Dell Inspiron 15 -


I'm new to Ubuntu and I know there are so many issues and I tried to follow some answers Is there on the web (like Dell Inspiron Wifi off or how am I working on an etheros AR-8162?), But none of them is working, or causing more errors on the way.

Recently I installed the new Dell Inspiron 15 Ubuntu 12.04, but there is no alternative to connecting to WiFi. My router is working and all other devices are looking at it.

Here are some information that you may need for advice. I would be happy to provide something else, please help me. $ Iwconfig eth0 No wireless extension No wireless extension $ rfkill list all 2: hci0: Bluetooth cold blocking: No hard blocking: No iwlist scan eth0 interface does not support scanning. Low interface does not support scanning lspci | Grap Network 02: 00.0 Network Controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (Rev. 01) sudo lshw Level Network * -network Description: Ethernet Interface Product: RTL8101E / RTL8102E PCI Express Fast Ethernet Controller Vendor: Realtek Semiconductor Company Limited. Physical ID: 0 Just Information: PCI @ 0000: 01: 00.0 Logical Name: eth0 Version: 07 Serial: 74: 86: 7a: 4c: 6C: B8 Size: 100Mbit / s Capacity: 100Mbit / s Width: 64 Bits Clock : 33MHz Capacity: MSI pciexpress msix VPD bus_master cap_list Ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd Autoconfiguration configuration: autocomplete = broadcast = yes driver = r8169 driverversion = 2.3LK-NAPI duplex = full IP = 192.168.0.102 latency = 0 link = yes multicast = yes port = MII speed = 100Mbit / s resource: IRQ: 61 ioport: 4000 (size = 256) memory C0700000-c0700fff Memory: c0400000-c0403fff * -network Unclaimed Details: Network Controller Product: QCA9565 / AR 96565 Wireless Network Adapter Vendor: Qualcomm Athoros Physical ID: 0 Bus Info: PCI @ 0000: 02: 00.0 version: 01 Width : 64 Bits Clock: 33MHz Capabilities: MSI pciexpress bus_master cap_list Configuration: Latency = 0 Resource: Memory: c0600000-c067ffff Memory: 9fb00000-9fb0ffff lsmod | Grape athlete ath9k 133223 0 14054 1 ath9k ath9k_hw 399,752 2 ath9k, ath9k_common athlete 24124 3 ath9k, ath9k_common, ath9k_hw dm_multipath 23306 0 scsi_dh 14589 1 dm_multipath ath3k 12918 0 mac80211 555,318 2 ath9k, B43 Bluetooth 212,001 25 BNEP, RFCOMM, btusb, ath3k cfg80211 ath9k_common 208,382 4 ath9k, b43, athlete, mac80211

I used 

  sudo apt-get install linux backports-module-cw-3.10-precise-normal   
 Ethernet and D: Separate:  
  sudo modprobe ath9k   
 This works first, but the problem is restored Once more after reboot the system.   
 
 
 Steps to work on your WiFi Ubuntu -   ol> < Li> Firstly, make sure you connect to a wired network.  
  •  Go to system settings  
  •  Skip to software & amp; Update  
  •  Click on the Edition Drivers tab.  
  •  Here you will find wireless drivers: Using the Broadcom 802.11 Linux STA Wireless Driver. Click on it  
  •  Click Apply Changes  
  •  It will take 5 minutes to install the driver    

     

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