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Thread: Realtek Wi-Fi device

  1. #1
    Join Date
    Oct 2012
    Beans
    4

    Realtek Wi-Fi device

    OS (Ubuntu 11.04, kernel 3.2.30 on laptop gigabyte q 2006) doesn't see wi-fi device.
    ifconfig:
    Code:
    eth0      Link encap:Ethernet  HWaddr 00:90:f5:d3:72:6d  
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
              Interrupt:46 
    
    lo        Link encap:Local Loopback  
              inet addr:127.0.0.1  Mask:255.0.0.0
              inet6 addr: ::1/128 Scope:Host
              UP LOOPBACK RUNNING  MTU:16436  Metric:1
              RX packets:56 errors:0 dropped:0 overruns:0 frame:0
              TX packets:56 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:4032 (4.0 KB)  TX bytes:4032 (4.0 KB)
    
    ppp0      Link encap:Point-to-Point Protocol  
              inet addr:95.81.42.59  P-t-P:195.128.182.50  Mask:255.255.255.255
              UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
              RX packets:2423 errors:20 dropped:0 overruns:0 frame:0
              TX packets:2504 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:3 
              RX bytes:2041278 (2.0 MB)  TX bytes:365880 (365.8 KB
    iwconfig:
    Code:
    ppp0      no wireless extensions.
    
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    lspci -knn | grep "Eth\|Net" -A2 :
    Code:
    01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:8723]
        Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0726]
        Kernel modules: rtl8723e
    03:00.0 Ethernet controller [0200]: JMicron Technology Corp. JMC260 PCI Express Fast Ethernet Controller [197b:0260] (rev 05)
        Subsystem: CLEVO/KAPOK Computer Device [1558:2100]
        Kernel driver in use: jme
    Help me anyone, pleas.

  2. #2
    Join Date
    Mar 2011
    Location
    Pizza Hut
    Beans
    1,209
    Distro
    Kubuntu 13.10 Saucy Salamander

    Re: Realtek Wi-Fi device

    What's the output of this command:
    Code:
    lspci -v
    Ubuntu user #35115 - Linux user #555707 - My Ubuntu Wik page
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  3. #3
    Join Date
    Oct 2012
    Beans
    4

    Re: Realtek Wi-Fi device

    Code:
    00:00.0 Host bridge: Intel Corporation Cedarview DRAM Controller (rev 03)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0
    
    00:02.0 VGA compatible controller: Intel Corporation Cedarview Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0, IRQ 11
        Memory at 80200000 (32-bit, non-prefetchable) [size=1M]
        I/O ports at 40d0 [size=8]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [d0] Power Management version 2
        Capabilities: [b0] Vendor Specific Information: Len=07 <?>
        Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
    
    00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0, IRQ 45
        Memory at 80300000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [130] Root Complex Link
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd-hda-intel
    
    00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: 00003000-00003fff
        Memory behind bridge: 80100000-801fffff
        Prefetchable memory behind bridge: 0000000081000000-00000000811fffff
        Capabilities: [40] Express Root Port (Slot+), MSI 00
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [90] Subsystem: CLEVO/KAPOK Computer Device 2100
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Root Complex Link
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    
    00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: 00006000-00006fff
        Memory behind bridge: 80c00000-80dfffff
        Prefetchable memory behind bridge: 0000000080e00000-0000000080ffffff
        Capabilities: [40] Express Root Port (Slot+), MSI 00
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [90] Subsystem: CLEVO/KAPOK Computer Device 2100
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Root Complex Link
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    
    00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        I/O behind bridge: 00002000-00002fff
        Memory behind bridge: 80000000-800fffff
        Prefetchable memory behind bridge: 0000000080900000-0000000080bfffff
        Capabilities: [40] Express Root Port (Slot+), MSI 00
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [90] Subsystem: CLEVO/KAPOK Computer Device 2100
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Root Complex Link
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    
    00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 02) (prog-if 00 [Normal decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        I/O behind bridge: 00005000-00005fff
        Memory behind bridge: 80500000-806fffff
        Prefetchable memory behind bridge: 0000000080700000-00000000808fffff
        Capabilities: [40] Express Root Port (Slot+), MSI 00
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [90] Subsystem: CLEVO/KAPOK Computer Device 2100
        Capabilities: [a0] Power Management version 2
        Capabilities: [100] Virtual Channel
        Capabilities: [180] Root Complex Link
        Kernel driver in use: pcieport
        Kernel modules: shpchp
    
    00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 02) (prog-if 00 [UHCI])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0, IRQ 23
        I/O ports at 40a0 [size=32]
        Kernel driver in use: uhci_hcd
    
    00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02) (prog-if 00 [UHCI])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0, IRQ 19
        I/O ports at 4080 [size=32]
        Kernel driver in use: uhci_hcd
    
    00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at 4060 [size=32]
        Kernel driver in use: uhci_hcd
    
    00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02) (prog-if 00 [UHCI])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at 4040 [size=32]
        Kernel driver in use: uhci_hcd
    
    00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at 80304400 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Kernel driver in use: ehci_hcd
    
    00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) (prog-if 01 [Subtractive decode])
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=05, subordinate=05, sec-latency=32
        Capabilities: [50] Subsystem: CLEVO/KAPOK Computer Device 2100
    
    00:1f.0 ISA bridge: Intel Corporation NM10 Family LPC Controller (rev 02)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, medium devsel, latency 0
        Capabilities: [e0] Vendor Specific Information: Len=0c <?>
        Kernel modules: iTCO_wdt
    
    00:1f.2 SATA controller: Intel Corporation N10/ICH7 Family SATA AHCI Controller (rev 02) (prog-if 01 [AHCI 1.0])
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 44
        I/O ports at 40c8 [size=8]
        I/O ports at 40dc [size=4]
        I/O ports at 40c0 [size=8]
        I/O ports at 40d8 [size=4]
        I/O ports at 4020 [size=16]
        Memory at 80304000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [70] Power Management version 2
        Kernel driver in use: ahci
    
    00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: medium devsel, IRQ 10
        I/O ports at efa0 [size=32]
        Kernel modules: i2c-i801
    
    01:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8723
        Subsystem: Realtek Semiconductor Co., Ltd. Device 0726
        Flags: bus master, fast devsel, latency 0, IRQ 11
        I/O ports at 3000 [size=256]
        Memory at 80100000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 3
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Virtual Channel
        Capabilities: [160] Device Serial Number 01-23-87-fe-ff-4c-e0-00
        Kernel modules: rtl8723e
    
    03:00.0 Ethernet controller: JMicron Technology Corp. JMC260 PCI Express Fast Ethernet Controller (rev 05)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0, IRQ 46
        Memory at 80010000 (32-bit, non-prefetchable) [size=16K]
        I/O ports at 2100 [size=128]
        I/O ports at 2000 [size=256]
        Memory at 80000000 (32-bit, non-prefetchable) [size=64K]
        Expansion ROM at 80900000 [disabled] [size=64K]
        Capabilities: [68] Power Management version 3
        Capabilities: [50] Express Legacy Endpoint, MSI 00
        Capabilities: [40] MSI-X: Enable- Count=8 Masked-
        Capabilities: [70] MSI: Enable+ Count=1/8 Maskable+ 64bit+
        Capabilities: [100] Device Serial Number 6d-72-d3-ff-ff-f5-90-00
        Kernel driver in use: jme
        Kernel modules: jme
    
    03:00.1 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 90)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0, IRQ 19
        Memory at 80014200 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
        Capabilities: [80] Express Endpoint, MSI 00
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [100] Device Serial Number 6d-72-d3-ff-ff-f5-90-00
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci-pci
    
    03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 90) (prog-if 01)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: fast devsel, IRQ 19
        Memory at 80014100 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
        Capabilities: [80] Express Endpoint, MSI 00
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [100] Device Serial Number 6d-72-d3-ff-ff-f5-90-00
        Kernel modules: sdhci-pci
    
    03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 90)
        Subsystem: CLEVO/KAPOK Computer Device 2100
        Flags: bus master, fast devsel, latency 0, IRQ 19
        Memory at 80014000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
        Capabilities: [80] Express Endpoint, MSI 00
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [100] Device Serial Number 6d-72-d3-ff-ff-f5-90-00
        Kernel driver in use: jmb38x_ms
        Kernel modules: jmb38x_ms

  4. #4
    Join Date
    Aug 2006
    Beans
    12,969
    Distro
    Ubuntu 14.04 Trusty Tahr

    Re: Realtek Wi-Fi device


  5. #5
    Join Date
    Oct 2012
    Beans
    4

    Re: Realtek Wi-Fi device

    In the fifth step:
    Code:
    # modprobe rtl8723e
    FATAL: Error inserting rtl8723e (/lib/modules/3.2.30-030230-generic-pae/kernel/drivers/net/wireless/rtlwifi/rtl8723e/rtl8723e.ko): Invalid argument

  6. #6
    Join Date
    Oct 2012
    Beans
    4

    Re: Realtek Wi-Fi device

    I'm reinstalled OS and did, like writes in link. All works. Thanks all.

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