I am unable to use wireless network and Bluetooth on my laptop..<br>
Before in Ubuntu 11.04 is worked fine, but after a fresh install of Ubuntu 11.10 it doesn't works..<img src="http://ubuntuforums.org/images/smilies/icon_sad.gif" alt="" title="Sad" class="inlineimg" border="0"><br><br>
I posted same in ubuntuforums, yet resolved..<br><a href="http://ubuntuforums.org/showthread.php?t=1867214">http://ubuntuforums.org/showthread.php?t=1867214</a><br>
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1) Machine Brand and Model (PC/Laptop):<br>
<div style="margin:20px; margin-top:5px">
<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 34px;
text-align: left;
overflow: auto">SONY VAIO VPCEH15EN</pre>
</div>2 ) Wireless Brand, Model and Wireless Chipset:<br>
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<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 50px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ lspci -nn|grep "Atheros"
07:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)</pre>
</div>3 ) Checking interface:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 226px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 90:00:4e:d2:24:5d
UP BROADCAST 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)
dixon@dixon-vaio:~$ iwconfig wlan0
wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off</pre>
</div>4 ) Checking for modules:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 130px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ lsmod | grep "ath9k"
ath9k 127538 0
mac80211 310872 1 ath9k
ath9k_common 13839 1 ath9k
ath9k_hw 312866 2 ath9k,ath9k_common
ath 24067 2 ath9k,ath9k_hw
cfg80211 199587 3 ath9k,mac80211,ath</pre>
</div>5 ) Kernel boot messages<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 98px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ dmesg|grep "ath9k"
[ 9.541422] ath9k 0000:07:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 9.541439] ath9k 0000:07:00.0: setting latency timer to 64
[ 9.619352] ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
[ 9.619965] Registered led device: ath9k-phy0</pre>
</div>6 ) Network configuration<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 498px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ sudo lshw -C network
*-network
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:07:00.0
logical name: wlan0
version: 01
serial: 90:00:4e:d2:24:5d
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.0.0-12-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
resources: irq:16 memory:92500000-9250ffff
*-network
description: Ethernet interface
product: RTL8111/8168B PCI Express Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:13:00.0
logical name: eth0
version: 06
serial: 78:84:3c:e5:2c:e8
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8168e-2.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s
resources: irq:40 ioport:2000(size=256) memory:91404000-91404fff memory:91400000-91403fff</pre>
</div>7 ) Scan for networks:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 50px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ iwlist wlan0 scan
wlan0 No scan results</pre>
</div>8 ) Ubuntu Version:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 50px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ lsb_release -d
Description: Ubuntu 11.10</pre>
</div>9 ) Kernel/architecture:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 50px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ uname -mr
3.0.0-12-generic x86_64</pre>
</div>10 ) Restarting the network:<br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 66px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ sudo /etc/init.d/networking restart
* Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces
* Reconfiguring network interfaces... [ OK ]</pre>
</div>11) rfkill list: <br>
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<div class="smallfont" style="margin-bottom:2px">Code:</div>
<pre class="alt2" dir="ltr" style="margin: 0px;
padding: 6px;
border: 1px inset;
width: 640px;
height: 226px;
text-align: left;
overflow: auto">dixon@dixon-vaio:~$ rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: sony-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
3: sony-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
4: hci0: Bluetooth
Soft blocked: no
Hard blocked: no</pre>
</div>Any additional informations needed ?<br>
Thanks in advance...<br clear="all"><br>-- <br>. : D i X O N : .<br>