I have dell inspiren 1564 and i have install the latest version on ubuntu today.
the installation is successfully completed in 10+ mins and then i update it.
now everything is working good expect wifi.
i have search on the INTERNET and did some of the solution given in the forums like
backport i have follow this A-Z
Link

and when i put this command in the terminal its give me

    frank@frank-Inspiron-1564:~$ iwconfig

eth0      no wireless extensions.



lo        no wireless extensions.

i have try this and get response:

    frank@frank-Inspiron-1564:~$ sudo apt-get install firmware-b43-lpphy-installer

[sudo] password for frank: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

E: Unable to locate package firmware-b43-lpphy-installer

What Should I Do Now ;

i have got this list after pressing this command :

    frank@frank-Inspiron-1564:~$ sudo lshw

[sudo] password for frank: 

PCI (sysfs)  

frank-inspiron-1564       

    description: Portable Computer

    product: Inspiron 1564 ()

    vendor: Dell Inc.

    version: A13

    width: 64 bits

    capabilities: smbios-2.6 dmi-2.6 ldt16 vsyscall32

    configuration: administrator_password=disabled boot=normal chassis=portable frontpanel_password=unknown keyboard_password=unknown power-on_password=disabled

  *-core

       description: Motherboard

       product: 08CNC9

       vendor: Dell Inc.

       physical id: 0

       version: A13

       serial: .       .CN4864302R3387.

     *-firmware

          description: BIOS

          vendor: Dell Inc.

          physical id: 1

          version: A13

          date: 03/29/2011

          size: 122KiB

          capacity: 1984KiB

          capabilities: pci pnp upgrade shadowing escd cdboot bootselect socketedrom edd int13floppy360 int13floppy1200 int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi usb ls120boot smartbattery biosbootspecification netboot

     *-cpu

          description: CPU

          product: Intel(R) Core(TM) i3 CPU       M 330  @ 2.13GHz

          vendor: Intel Corp.

          physical id: 5

          bus info: cpu@0

          version: CPU Version

          slot: U2E1

          size: 933MHz

          capacity: 4096MHz

          width: 64 bits

          clock: 133MHz

          capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm arat dtherm tpr_shadow vnmi flexpriority ept vpid cpufreq

          configuration: cores=2 enabledcores=2 threads=4

        *-cache:0

             description: L1 cache

             physical id: 6

             slot: L1 Cache

             size: 128KiB

             capacity: 128KiB

             capabilities: asynchronous internal write-through data

        *-cache:1

             description: L2 cache

             physical id: 7

             slot: L2 Cache

             size: 512KiB

             capacity: 1MiB

             capabilities: burst internal write-through unified

        *-cache:2

             description: L3 cache

             physical id: 8

             slot: L3 Cache

             size: 3MiB

             capacity: 8MiB

             capabilities: burst internal write-back

     *-memory

          description: System Memory

          physical id: 16

          slot: System board or motherboard

          size: 3GiB

        *-bank:0

             description: SODIMM DDR3 Synchronous 1067 MHz (0.9 ns)

             product: EBJ11UE6BBS0-AE-F

             vendor: AMI

             physical id: 0

             serial: 142E38DD

             slot: DIMM_A

             size: 1GiB

             width: 64 bits

             clock: 1067MHz (0.9ns)

        *-bank:1

             description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)

             product: M471B5673EH1-CH9

             vendor: Samsung

             physical id: 1

             serial: 634D8D46

             slot: DIMM_B

             size: 2GiB

             width: 64 bits

             clock: 1333MHz (0.8ns)

     *-pci:0

          description: Host bridge

          product: Core Processor DRAM Controller

          vendor: Intel Corporation

          physical id: 100

          bus info: pci@0000:00:00.0

          version: 12

          width: 32 bits

          clock: 33MHz

          configuration: driver=agpgart-intel

          resources: irq:0

        *-display

             description: VGA compatible controller

             product: Core Processor Integrated Graphics Controller

             vendor: Intel Corporation

             physical id: 2

             bus info: pci@0000:00:02.0

             version: 12

             width: 64 bits

             clock: 33MHz

             capabilities: msi pm vga_controller bus_master cap_list rom

             configuration: driver=i915 latency=0

             resources: irq:43 memory:f0000000-f03fffff memory:d0000000-dfffffff ioport:1800(size=8)

        *-communication

             description: Communication controller

             product: 5 Series/3400 Series Chipset HECI Controller

             vendor: Intel Corporation

             physical id: 16

             bus info: pci@0000:00:16.0

             version: 06

             width: 64 bits

             clock: 33MHz

             capabilities: pm msi bus_master cap_list

             configuration: driver=mei_me latency=0

             resources: irq:42 memory:f0705800-f070580f

        *-usb:0

             description: USB controller

             product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller

             vendor: Intel Corporation

             physical id: 1a

             bus info: pci@0000:00:1a.0

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: pm debug ehci bus_master cap_list

             configuration: driver=ehci-pci latency=0

             resources: irq:16 memory:f0706000-f07063ff

        *-multimedia

             description: Audio device

             product: 5 Series/3400 Series Chipset High Definition Audio

             vendor: Intel Corporation

             physical id: 1b

             bus info: pci@0000:00:1b.0

             version: 06

             width: 64 bits

             clock: 33MHz

             capabilities: pm msi pciexpress bus_master cap_list

             configuration: driver=snd_hda_intel latency=0

             resources: irq:44 memory:f0700000-f0703fff

        *-pci:0

             description: PCI bridge

             product: 5 Series/3400 Series Chipset PCI Express Root Port 1

             vendor: Intel Corporation

             physical id: 1c

             bus info: pci@0000:00:1c.0

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list

             configuration: driver=pcieport

             resources: irq:16 ioport:3000(size=4096) memory:bc000000-bc1fffff ioport:bc200000(size=2097152)

        *-pci:1

             description: PCI bridge

             product: 5 Series/3400 Series Chipset PCI Express Root Port 2

             vendor: Intel Corporation

             physical id: 1c.1

             bus info: pci@0000:00:1c.1

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list

             configuration: driver=pcieport

             resources: irq:17 ioport:4000(size=4096) memory:f0400000-f04fffff ioport:bc400000(size=2097152)

           *-network

                description: Network controller

                product: BCM4312 802.11b/g LP-PHY

                vendor: Broadcom Corporation

                physical id: 0

                bus info: pci@0000:03:00.0

                version: 01

                width: 64 bits

                clock: 33MHz

                capabilities: pm msi pciexpress bus_master cap_list

                configuration: driver=b43-pci-bridge latency=0

                resources: irq:17 memory:f0400000-f0403fff

        *-pci:2

             description: PCI bridge

             product: 5 Series/3400 Series Chipset PCI Express Root Port 6

             vendor: Intel Corporation

             physical id: 1c.5

             bus info: pci@0000:00:1c.5

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: pci pciexpress msi pm normal_decode bus_master cap_list

             configuration: driver=pcieport

             resources: irq:17 ioport:2000(size=4096) memory:bc600000-bcafffff ioport:f0800000(size=1048576)

           *-network

                description: Ethernet interface

                product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller

                vendor: Realtek Semiconductor Co., Ltd.

                physical id: 0

                bus info: pci@0000:04:00.0

                logical name: eth0

                version: 02

                serial: b8:ac:6f:51:b9:c6

                size: 100Mbit/s

                capacity: 100Mbit/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 autonegotiation

                configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full ip=192.168.0.2 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s

                resources: irq:40 ioport:2000(size=256) memory:f0810000-f0810fff memory:f0800000-f080ffff memory:f0820000-f083ffff

        *-usb:1

             description: USB controller

             product: 5 Series/3400 Series Chipset USB2 Enhanced Host Controller

             vendor: Intel Corporation

             physical id: 1d

             bus info: pci@0000:00:1d.0

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: pm debug ehci bus_master cap_list

             configuration: driver=ehci-pci latency=0

             resources: irq:23 memory:f0706400-f07067ff

        *-pci:3

             description: PCI bridge

             product: 82801 Mobile PCI Bridge

             vendor: Intel Corporation

             physical id: 1e

             bus info: pci@0000:00:1e.0

             version: a6

             width: 32 bits

             clock: 33MHz

             capabilities: pci subtractive_decode bus_master cap_list

        *-isa

             description: ISA bridge

             product: Mobile 5 Series Chipset LPC Interface Controller

             vendor: Intel Corporation

             physical id: 1f

             bus info: pci@0000:00:1f.0

             version: 06

             width: 32 bits

             clock: 33MHz

             capabilities: isa bus_master cap_list

             configuration: driver=lpc_ich latency=0

             resources: irq:0

        *-storage

             description: SATA controller

             product: 5 Series/3400 Series Chipset 4 port SATA AHCI Controller

             vendor: Intel Corporation

             physical id: 1f.2

             bus info: pci@0000:00:1f.2

             version: 06

             width: 32 bits

             clock: 66MHz

             capabilities: storage msi pm ahci_1.0 bus_master cap_list

             configuration: driver=ahci latency=0

             resources: irq:41 ioport:1818(size=8) ioport:180c(size=4) ioport:1810(size=8) ioport:1808(size=4) ioport:1820(size=32) memory:f0705000-f07057ff

        *-serial UNCLAIMED

             description: SMBus

             product: 5 Series/3400 Series Chipset SMBus Controller

             vendor: Intel Corporation

             physical id: 1f.3

             bus info: pci@0000:00:1f.3

             version: 06

             width: 64 bits

             clock: 33MHz

             configuration: latency=0

             resources: memory:f0706800-f07068ff ioport:1840(size=32)

        *-generic

             description: Signal processing controller

             product: 5 Series/3400 Series Chipset Thermal Subsystem

             vendor: Intel Corporation

             physical id: 1f.6

             bus info: pci@0000:00:1f.6

             version: 06

             width: 64 bits

             clock: 33MHz

             capabilities: pm msi cap_list

             configuration: driver=intel ips latency=0

             resources: irq:18 memory:f0704000-f0704fff

     *-pci:1

          description: Host bridge

          product: Core Processor QuickPath Architecture Generic Non-core Registers

          vendor: Intel Corporation

          physical id: 101

          bus info: pci@0000:ff:00.0

          version: 02

          width: 32 bits

          clock: 33MHz

     *-pci:2

          description: Host bridge

          product: Core Processor QuickPath Architecture System Address Decoder

          vendor: Intel Corporation

          physical id: 102

          bus info: pci@0000:ff:00.1

          version: 02

          width: 32 bits

          clock: 33MHz

     *-pci:3

          description: Host bridge

          product: Core Processor QPI Link 0

          vendor: Intel Corporation

          physical id: 103

          bus info: pci@0000:ff:02.0

          version: 02

          width: 32 bits

          clock: 33MHz

     *-pci:4

          description: Host bridge

          product: Core Processor QPI Physical 0

          vendor: Intel Corporation

          physical id: 104

          bus info: pci@0000:ff:02.1

          version: 02

          width: 32 bits

          clock: 33MHz

     *-pci:5

          description: Host bridge

          product: Core Processor Reserved

          vendor: Intel Corporation

          physical id: 105

          bus info: pci@0000:ff:02.2

          version: 02

          width: 32 bits

          clock: 33MHz

     *-pci:6

          description: Host bridge

          product: Core Processor Reserved

          vendor: Intel Corporation

          physical id: 106

          bus info: pci@0000:ff:02.3

          version: 02

          width: 32 bits

          clock: 33MHz

     *-scsi:0

          physical id: 0

          logical name: scsi0

          capabilities: emulated

        *-disk

             description: ATA Disk

             product: SAMSUNG HM250HI

             physical id: 0.0.0

             bus info: scsi@0:0.0.0

             logical name: /dev/sda

             version: 2AC1

             serial: S1YKJA0Z215008

             size: 232GiB (250GB)

             capabilities: partitioned partitioned:dos

             configuration: ansiversion=5 sectorsize=512 signature=000e2c9c

           *-volume:0

                description: EXT4 volume

                vendor: Linux

                physical id: 1

                bus info: scsi@0:0.0.0,1

                logical name: /dev/sda1

                logical name: /

                version: 1.0

                serial: 3825333c-64bf-414b-a176-a1779caf4134

                size: 230GiB

                capacity: 230GiB

                capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink extents ext4 ext2 initialized

                configuration: created=2014-08-30 17:40:33 filesystem=ext4 lastmountpoint=/ modified=2014-08-31 00:42:37 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,data=ordered mounted=2014-08-31 00:42:37 state=mounted

           *-volume:1

                description: Extended partition

                physical id: 2

                bus info: scsi@0:0.0.0,2

                logical name: /dev/sda2

                size: 2931MiB

                capacity: 2931MiB

                capabilities: primary extended partitioned partitioned:extended

              *-logicalvolume

                   description: Linux swap / Solaris partition

                   physical id: 5

                   logical name: /dev/sda5

                   capacity: 2931MiB

                   capabilities: nofs

     *-scsi:1

          physical id: 2

          logical name: scsi1

          capabilities: emulated

        *-cdrom

             description: DVD-RAM writer

             product: DVD A  DS8A5LH

             vendor: hp

             physical id: 0.0.0

             bus info: scsi@1:0.0.0

             logical name: /dev/cdrom

             logical name: /dev/sr0

             version: 1H68

             capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram

             configuration: ansiversion=5 status=nodisc

  *-battery

       product: SIMPLO

       vendor: SIMPLO

       physical id: 1

       slot: System Battery Bay

       capacity: 44000mWh

       configuration: voltage=11.1V

  *-remoteaccess UNCLAIMED

       vendor: Intel

       physical id: 2

       capabilities: outbound

  *-power UNCLAIMED

       description: To Be Defined By O.E.M

       product: To Be Defined By O.E.M

       vendor: To Be Defined By O.E.M

       physical id: 3

       version: 2.50

       serial: To Be Defined By O.E.M

       capacity: 32768mWh

frank@frank-Inspiron-1564:~$ 

frank@frank-Inspiron-1564:~$ 

another command and its response :

frank@frank-Inspiron-1564:~$ wget http://mirrors.kernel.org/ubuntu/pool/multiverse/l/linux-firmware-nonfree/linux-firmware-nonfree_1.14ubuntu1_all.deb

--2014-08-31 01:51:13--  http://mirrors.kernel.org/ubuntu/pool/multiverse/l/linux-firmware-nonfree/linux-firmware-nonfree_1.14ubuntu1_all.deb

Resolving mirrors.kernel.org (mirrors.kernel.org)... 149.20.4.71, 149.20.20.135, 2001:4f8:1:10:0:1994:3:14, ...

Connecting to mirrors.kernel.org (mirrors.kernel.org)|149.20.4.71|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 3942580 (3.8M) [application/vnd.debian.binary-package]

Saving to: ‘linux-firmware-nonfree_1.14ubuntu1_all.deb.1’



100%[=========================================================================================================>] 3,942,580    119KB/s   in 32s    



2014-08-31 01:51:46 (122 KB/s) - ‘linux-firmware-nonfree_1.14ubuntu1_all.deb.1’ saved [3942580/3942580]



frank@frank-Inspiron-1564:~$ sudo dpkg -i linux*.deb

[sudo] password for frank: 

(Reading database ... 193442 files and directories currently installed.)

Preparing to unpack linux-firmware-nonfree_1.14ubuntu1_all.deb ...

Unpacking linux-firmware-nonfree (1.14ubuntu1) over (1.14ubuntu1) ...

Setting up linux-firmware-nonfree (1.14ubuntu1) ...

frank@frank-Inspiron-1564:~$ 

another one :

frank@frank-Inspiron-1564:~$ dmesg | grep b43

[   14.580479] b43: disagrees about version of symbol ieee80211_get_response_rate

[   14.580484] b43: Unknown symbol ieee80211_get_response_rate (err -22)

[   14.580605] b43: disagrees about version of symbol ieee80211_free_hw

[   14.580606] b43: Unknown symbol ieee80211_free_hw (err -22)

[   14.580619] b43: disagrees about version of symbol ieee80211_alloc_hw

[   14.580621] b43: Unknown symbol ieee80211_alloc_hw (err -22)

[   14.580633] b43: disagrees about version of symbol ieee80211_register_hw

[   14.580635] b43: Unknown symbol ieee80211_register_hw (err -22)

[   14.580646] b43: disagrees about version of symbol __ieee80211_get_radio_led_name

[   14.580648] b43: Unknown symbol __ieee80211_get_radio_led_name (err -22)

[   14.580652] b43: disagrees about version of symbol ieee80211_generic_frame_duration

[   14.580653] b43: Unknown symbol ieee80211_generic_frame_duration (err -22)

[   14.580657] b43: disagrees about version of symbol ieee80211_wake_queue

[   14.580658] b43: Unknown symbol ieee80211_wake_queue (err -22)

[   14.580681] b43: disagrees about version of symbol __ieee80211_get_tx_led_name

[   14.580682] b43: Unknown symbol __ieee80211_get_tx_led_name (err -22)

[   14.580698] b43: disagrees about version of symbol wiphy_rfkill_set_hw_state

[   14.580700] b43: Unknown symbol wiphy_rfkill_set_hw_state (err -22)

[   14.580731] b43: disagrees about version of symbol __ieee80211_get_rx_led_name

[   14.580732] b43: Unknown symbol __ieee80211_get_rx_led_name (err -22)

[   14.580751] b43: disagrees about version of symbol ieee80211_queue_delayed_work

[   14.580752] b43: Unknown symbol ieee80211_queue_delayed_work (err -22)

[   14.580760] b43: disagrees about version of symbol ieee80211_ctstoself_get

[   14.580761] b43: Unknown symbol ieee80211_ctstoself_get (err -22)

[   14.580782] b43: disagrees about version of symbol ieee80211_rx

[   14.580784] b43: Unknown symbol ieee80211_rx (err -22)

[   14.580802] b43: disagrees about version of symbol ieee80211_wake_queues

[   14.580804] b43: Unknown symbol ieee80211_wake_queues (err -22)

[   14.580809] b43: disagrees about version of symbol ieee80211_free_txskb

[   14.580810] b43: Unknown symbol ieee80211_free_txskb (err -22)

[   14.580846] b43: disagrees about version of symbol ieee80211_tx_status

[   14.580847] b43: Unknown symbol ieee80211_tx_status (err -22)

[   14.580851] b43: disagrees about version of symbol ieee80211_stop_queue

[   14.580852] b43: Unknown symbol ieee80211_stop_queue (err -22)

[   14.580877] b43: disagrees about version of symbol __ieee80211_get_assoc_led_name

[   14.580879] b43: Unknown symbol __ieee80211_get_assoc_led_name (err -22)

[   14.580882] b43: disagrees about version of symbol wiphy_rfkill_start_polling

[   14.580884] b43: Unknown symbol wiphy_rfkill_start_polling (err -22)

[   14.580906] b43: disagrees about version of symbol ieee80211_unregister_hw

[   14.580907] b43: Unknown symbol ieee80211_unregister_hw (err -22)

[   14.580913] b43: disagrees about version of symbol ieee80211_beacon_get_tim

[   14.580914] b43: Unknown symbol ieee80211_beacon_get_tim (err -22)

[   14.580931] b43: disagrees about version of symbol ieee80211_rts_get

[   14.580932] b43: Unknown symbol ieee80211_rts_get (err -22)

[   14.580939] b43: disagrees about version of symbol ieee80211_queue_work

[   14.580940] b43: Unknown symbol ieee80211_queue_work (err -22)

frank@frank-Inspiron-1564:~$ rfkill list

un-Installation of backports and the follow the chili's instruction and i get this response:

frank@frank-Inspiron-1564:~$ dmesg | grep b43

[   14.408606] b43-phy0: Broadcom 4312 WLAN found (core revision 15)

[   14.451738] b43-phy0: Found PHY: Analog 6, Type 5 (LP), Revision 1

[   21.432960] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)

frank@frank-Inspiron-1564:~$ iwconfig

eth0      no wireless extensions.



lo        no wireless extensions.



wlan0     IEEE 802.11bg  ESSID:off/any  

          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   

          Retry  long limit:7   RTS thr:off   Fragment thr:off

          Power Management:off