Thread: Lenovo Laptop with Ubuntu 11.04

i have lenovo b570 installed windows 7. installed ubuntu 11.04 through windows installer , dual booting. wired works fine. wireless, i've installed , removed additional drivers. i've had work once (when connected cable , disconnected it). whenever reboot, if left installed, won't detect wireless. if uninstall , reinstall, work insofar detect network. however, when try connect (router wpa tkip) gives me bad password. know i'm typing password correctly works in windows on same laptop.
below info. believe taken when had drivers uninstalled i'm not sure.

thanks,

josh_1970


lspci -nn
00:00.0 host bridge [0600]: intel corporation 2nd generation core processor family dram controller [8086:0104] (rev 09)
00:02.0 vga compatible controller [0300]: intel corporation 2nd generation core processor family integrated graphics controller [8086:0106] (rev 09)
00:16.0 communication controller [0780]: intel corporation 6 series chipset family mei controller #1 [8086:1c3a] (rev 04)
00:1a.0 usb controller [0c03]: intel corporation 6 series chipset family usb enhanced host controller #2 [8086:1c2d] (rev 05)
00:1b.0 audio device [0403]: intel corporation 6 series chipset family high definition audio controller [8086:1c20] (rev 05)
00:1c.0 pci bridge [0604]: intel corporation 6 series chipset family pci express root port 1 [8086:1c10] (rev b5)
00:1c.1 pci bridge [0604]: intel corporation 6 series chipset family pci express root port 2 [8086:1c12] (rev b5)
00:1c.3 pci bridge [0604]: intel corporation 6 series chipset family pci express root port 4 [8086:1c16] (rev b5)
00:1d.0 usb controller [0c03]: intel corporation 6 series chipset family usb enhanced host controller #1 [8086:1c26] (rev 05)
00:1f.0 isa bridge [0601]: intel corporation hm65 express chipset family lpc controller [8086:1c49] (rev 05)
00:1f.2 sata controller [0106]: intel corporation 6 series chipset family 6 port sata ahci controller [8086:1c03] (rev 05)
00:1f.3 smbus [0c05]: intel corporation 6 series chipset family smbus controller [8086:1c22] (rev 05)
02:00.0 network controller [0280]: broadcom corporation bcm4313 802.11b/g/n wireless lan controller [14e4:4727] (rev 01)
03:00.0 ethernet controller [0200]: realtek semiconductor co., ltd. rtl8111/8168b pci express gigabit ethernet controller [10ec:8168] (rev 06)

lsmod
module size used
binfmt_misc 17565 1
parport_pc 36959 0
ppdev 17113 0
snd_hda_codec_hdmi 28103 1
snd_hda_codec_realtek 336693 1
joydev 17606 0
snd_hda_intel 33211 2
snd_hda_codec 103804 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_i ntel
snd_hwdep 13604 1 snd_hda_codec
snd_pcm 96625 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi 13324 0
snd_rawmidi 30486 1 snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
i915 514985 3
snd_seq 61621 2 snd_seq_midi,snd_seq_midi_event
snd_timer 29602 2 snd_pcm,snd_seq
lib80211_crypt_tkip 17387 0
snd_seq_device 14462 3 snd_seq_midi,snd_rawmidi,snd_seq
uvcvideo 72195 0
videodev 82052 1 uvcvideo
wl 2568244 0
drm_kms_helper 42136 1 i915
acer_wmi 23771 0
v4l2_compat_ioctl32 17078 1 videodev
ideapad_laptop 13494 0
snd 67382 14 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_i ntel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,s nd_seq,snd_timer,snd_seq_device
sparse_keymap 13898 2 acer_wmi,ideapad_laptop
psmouse 73535 0
drm 227495 4 i915,drm_kms_helper
i2c_algo_bit 13400 1 i915
lib80211 14991 2 lib80211_crypt_tkip,wl
serio_raw 13166 0
soundcore 12680 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
video 19438 1 i915
lp 17825 0
parport 46458 3 parport_pc,ppdev,lp
usbhid 46956 0
hid 91020 1 usbhid
ahci 25951 3
libahci 26642 1 ahci
r8169 48022 0

rfkill list
0: ideapad_wlan: wireless lan
soft blocked: yes
hard blocked: no
1: brcmwl-0: wireless lan
soft blocked: yes
hard blocked: yes
2: acer-wireless: wireless lan
soft blocked: yes
hard blocked: no

open terminal (command line) , type following command:
$ sudo /etc/init.d/networking restart
to start networking service, enter:

$ sudo /etc/init.d/networking start
to stop networking service, enter:

$ sudo /etc/init.d/networking stop

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