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I just installed Ubuntu 11.10 on my HP Pavilion DV6 1220 ek and the Laptop doesn't detect any wireless connection. Two hours before that, Windows 7 was running on my machine and the WiFi functioned perfectly.

Does anyone have an idea? I've been trying for several hours to fix it without success.

Output of lspci -nnk | grep -i net -A2: 

02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
    Subsystem: Hewlett-Packard Company Device [103c:1508]
    Kernel driver in use: b43-pci-bridge
--
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02)
    Subsystem: Hewlett-Packard Company Device [103c:3628]
    Kernel driver in use: r8169

Output of sudo ifconfig wlan0 up;iwconfig: 

SIOCSIFFLAGS: No such file or directory
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
Kevin Bowen
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Lahbib Zentari
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1 Answers1

0

You can try this method: http://forums.linuxmint.com/viewtopic.php?f=194&p=497599#p497599 It is an approved method among various users: http://forum.ubuntu-tr.net/index.php?topic=30521.0

Or while using wired connection, you can use 

sudo apt-get remove bcmwl-kernel-source
sudo apt-get install firmware-b43-installer

Or you can try: How can I get Broadcom BCM4311 Wireless working?

Pilot6
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numand
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