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Thread: No Lan (eth0) , Wifi constant crashes, LENOVO IDEAPAD N5..

  1. #1
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    Unhappy No Lan (eth0) , Wifi constant crashes, LENOVO IDEAPAD N5..

    LENOVO IDEAPAD N581 MBA98GE Notebook (i have new buy),
    by my old laptop (dell) bt5 work great.

    OS Backtrack 5 R3 KDE x64 (64bit)

    Hardware is:
    Ethernet LAN 10 MBit/s, 100 MBit/s, 1000 Mbit/s
    Wireless Lan Wireless LAN 802.11 B/G/N
    via Bluetooth 4.0
    (WLAN 802.11 b/g/n, GBit-LAN, Bluetooth)

    I have wicd reconfigur and reboot......................
    and netork starting and restarting......................
    all doesnt work............

    Wlan0 can find my Wlan router but the connectionless aborts irregular, and the performance is reduced,all 1-3 minutes the connection breaks.

    new system reboot: start it is 60-70 db until it drops to 30 db, and he connects and keeps getting shorter and shorter and shorter connection.
    Lan doesnt exist ???
    bluetooth doesnt exist ???


    somehow I do not go on,when logs etc. is needed just give modest.

    Check:
    root@bt:~# iwconfig
    lo no wireless extensions.

    wlan0 IEEE 802.11bgn ESSID:"W-Lan123"
    Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
    Tx-Power=19 dBm
    Retry long limit:7 RTS thr: off Fragment thr: off
    Encryption key: off
    Power Management: off

    root@bt:~# ifconfig
    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:171 errors:0 dropped:0 overruns:0 frame:0
    TX packets:171 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:41329 (41.3 KB) TX bytes:41329 (41.3 KB)

    wlan0 Link encap:Ethernet HWaddr 08:3e:8e:aa:96:15
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    RX packets:1936 errors:0 dropped:0 overruns:0 frame:0
    TX packets:163 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:102125 (102.1 KB) TX bytes:31373 (31.3 KB)

    root@bt:~# airmon-ng start wlan0


    Found 3 processes that could cause trouble.
    If airodump-ng, aireplay-ng or airtun-ng stops working after
    a short period of time, you may want to kill (some of) them!

    PID Name
    1461 dhclient3
    1462 dhclient3
    3316 dhclient
    Process with PID 1461 (dhclient3) is running on interface wlan0
    Process with PID 1462 (dhclient3) is running on interface wlan0


    Interface Chipset Driver

    wlan0 Unknown brcmsmac - [phy0]
    (monitor mode enabled on mon0)

    root@bt:~# dmesg | tail
    [ 1018.666690] ADDRCONF(NETDEV_UP): wlan0: link is not ready
    [ 1111.924818] sd 6:0:0:0: [sdb] 60800 512-byte logical blocks: (31.1 MB/29.6 MiB)
    [ 1111.924858] sd 6:0:0:0: [sdb] Cache data unavailable
    [ 1111.924862] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    [ 1111.925662] sd 6:0:0:0: [sdb] Cache data unavailable
    [ 1111.925665] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    [ 1111.927285] sdb: sdb1
    [ 1208.074505] ieee80211 phy0: FIF_CONTROL
    [ 1208.074511] ieee80211 phy0: FIF_OTHER_BSS
    [ 1208.074518] ieee80211 phy0: brcms_ops_config: change monitor mode: true (implement)
    need more info?
    sorry, iam new in this forum, i read the "how to make thread".

  2. #2
    Administrator sickness's Avatar
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    Default Re: No Lan (eth0) , Wifi constant crashes, LENOVO IDEAPAD N5..

    I suggest you go over the "How To Make a thread" sticky and come back with more information.
    Back|track giving machine guns to monkeys since 2007 !

    Do not read the Wiki, most your questions will not be answered there !
    Do not take a look at the: Forum Rules !

  3. #3
    Just burned their ISO
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    Default Re: No Lan (eth0) , Wifi constant crashes, LENOVO IDEAPAD N5..

    I have Network,
    has done it, I had the wrong driver apparently on it, a couple of test runs have now.

  4. #4
    Very good friend of the forum maverik35's Avatar
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    Default Re: No Lan (eth0) , Wifi constant crashes, LENOVO IDEAPAD N5..

    Quote Originally Posted by Kampfzwerg View Post
    I have Network,
    has done it, I had the wrong driver apparently on it, a couple of test runs have now.
    Sickness stated you need to know how to make a thread, but I'll try to give you a little "push" towards the "How to":

    You need to post sensible info as to: chipset (wifi device), BT5 installation type (HDD, USB, VM, Live DVD?), lspci -v (post it, at the end of each device is the module used by kernel), lsmod | grep -i "module used by kernel".

    Also include in a brief way what you have done to fix it, in what order, but brief, there is a lot of usless info that you do not want to post.

    Be specific and brief, unless some community member ask for some info to help.

    Luck.

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