Ubuntu,ThinkPad E420 Wifi不能連網問題

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Ubuntu,ThinkPad E420 Wifi不能連網問題 // 列印系統資訊cxl@cxl-ThinkPad-E420:~$ cat /etc/lsb-release; uname -aDISTRIB_ID=Ubuntu  www.2cto.com  DISTRIB_RELEASE=11.10DISTRIB_CODENAME=oneiricDISTRIB_DESCRIPTION="Ubuntu 11.10"Linux cxl-ThinkPad-E420 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux // lspci -nnk, lspci 列出所有PCI裝置, -nn列出vendor的裝置好和名稱,k顯示核心或核心模組處理的裝置.cxl@cxl-ThinkPad-E420:~$ lspci -nnk | grep -iA2 net03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 06)Subsystem: Lenovo Device [17aa:21e2]Kernel driver in use: r8169--09:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8195]Kernel driver in use: rtl8192ce  www.2cto.com  // 類似ipconfig,配置無線網路介面cxl@cxl-ThinkPad-E420:~$ iwconfiglo        no wireless extensions. eth0      no wireless extensions. wlan0     IEEE 802.11bgn  ESSID:off/any            Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm             Retry  long limit:7   RTS thr=2347 B   Fragment thr:off          Power Management:off // 列出所有的可被rfkill工具使用的裝置狀態.cxl@cxl-ThinkPad-E420:~$ rfkill list all0: hci0: BluetoothSoft blocked: noHard blocked: no1: acer-wireless: Wireless LANSoft blocked: yesHard blocked: no2: tpacpi_bluetooth_sw: BluetoothSoft blocked: no  www.2cto.com  Hard blocked: no3: phy0: Wireless LANSoft blocked: noHard blocked: no // 列出已經安裝的模組cxl@cxl-ThinkPad-E420:~$ lsmodModule                  Size  Used bybnep                   18436  2 rfcomm                 47946  8 parport_pc             36962  0 ppdev                  17113  0 binfmt_misc            17540  1 snd_hda_codec_hdmi     32040  1 snd_hda_codec_conexant    62197  1 joydev                 17693  0 arc4                   12529  2 thinkpad_acpi          81819  0 snd_hda_intel          33390  2 snd_hda_codec         104802  3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intelsnd_hwdep              13668  1 snd_hda_codecacer_wmi               23948  0 sparse_keymap          13890  1 acer_wmisnd_pcm                96755  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codecsnd_seq_midi           13324  0 snd_rawmidi            30547  1 snd_seq_midiuvcvideo               72711  0 videodev               93004  1 uvcvideov4l2_compat_ioctl32    17083  1 videodevsnd_seq_midi_event     14899  1 snd_seq_midisnd_seq                61896  2 snd_seq_midi,snd_seq_midi_eventbtusb                  18600  2   www.2cto.com  bluetooth             166112  23 bnep,rfcomm,btusbpsmouse                73882  0 serio_raw              13166  0 rtl8192ce              84775  0 rtl8192c_common        75767  1 rtl8192certlwifi               110972  1 rtl8192cemac80211              310872  3 rtl8192ce,rtl8192c_common,rtlwifisnd_timer              29991  2 snd_pcm,snd_seqsnd_seq_device         14540  3 snd_seq_midi,snd_rawmidi,snd_seqcfg80211              199587  2 rtlwifi,mac80211snd                    68266  15 snd_hda_codec_hdmi,snd_hda_codec_conexant,thinkpad_acpi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_devicenvram                  14413  1 thinkpad_acpiwmi                    19256  1 acer_wmiradeon               1015995  0 ttm                    76805  1 radeoni915                  566711  3 soundcore              12680  1 sndsnd_page_alloc         18529  2 snd_hda_intel,snd_pcmdrm_kms_helper         42558  2 radeon,i915drm                   236330  6 radeon,ttm,i915,drm_kms_helpermei                    41480  0 i2c_algo_bit           13423  2 radeon,i915video                  19412  1 i915lp                     17799  0   www.2cto.com  parport                46562  3 parport_pc,ppdev,lpsdhci_pci              14032  0 sdhci                  32166  1 sdhci_pciahci                   26002  3 libahci                26861  1 ahcir8169                  52788  0  --------------solution-----------:sudo rmmod -f acer-wmi   //移除 acer-wmi模組,-f force a mod unload sudo rfkill unblock all        //rfkill 打卡或者關閉無線裝置的命令, unblock 開啟無線裝置,all 所有的  作者 iamcxl369

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