Ubuntu

Realtek RTL8192CU WLAN not working | Linux 2.6.32 | DELL

Asked by xuan

I just installed Lubuntu on a DELL laptop.

Audio, Video and everything is working fine. When i installed USB Wifi driver, it went smooth with no errors but its not functional. A command [:~#l lshw -C network ] shows the network: Disabled .

Can any one help me? how to make it working?

Details for the USB WLAN Driver:

Realtek RTL8192CU Wireless LAN 802.11n USB 2.0 Network Adapter
Driver Provider: Realtek Semiconductor Corp
Downloaded File: RTL8188C_8192C_USB_linux_v3.4.4_4749.20121105
Source: www.realtek.com.tw

system details with commands:
----------------------
<Command>
:~#l cat /proc/version
<Result>
Linux version 2.6.32-21-generic (buildd@rothera) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #32-Ubuntu SMP Fri Apr 16 08:10:02 UTC 2010
------------------------
<Command>
:~#l lsusb |grep Realtek
<Result>
Bus 001 Device 003: ID 0bda:8171 Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter
----------------------------
<Command>
:~#l lshw -C network / Pasting only the USB
<Result>
*-network DISABLED
description: Wireless interface
physical id: 2
logical name: wlan0
serial: 00:e0:4c:81:92:00
capabilities: ethernet physical wireless
configuration: broadcast=yes multicast=yes wireless=802.11b/g
------------------------------
<Command>:
:~#l lsmod |grep r81
<Result>
r8192s_usb 346007 0
------------------------------

------------------------
<Command>:
:~#l ifconfig wlan0
<Result>
Link encap:Ethernet HWaddr 00:e0:4c:81:92:00
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 MB) TX bytes:0 (0.0 MB)

-----------------
<Command>:
:~#l iwconfig wlan0
<Result>
802.11b/g Mode:Managed Access Point: Not-Associated
Bit Rate: 0 kb/s
Retry min limit:7 RTS thrff Fragment thrff
Encryption keyff
Power Managementff
Link Quality=0/100 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
--------------------

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Revision history for this message
Mark Rijckenberg (markrijckenberg) said : 		#1

Please read this:

https://wiki.ubuntu.com/Releases

I assume you are using Ubuntu 10.04 LTS Desktop edition, which is end-of-life and not supported anymore.

I recommend performing a clean install of Ubuntu 12.04 LTS which is supported until April 2017.

Revision history for this message
anna koukouraki (fganko-deactivatedaccount) said : 		#2

hey! 1st install wicd. 2nd open terminal,give root pswd and type rfkilll unblockwifi,and rfkill unblock all and 3rd from synaptic or ubuntu software center the most easiest way could be to install the latest kernel package.that is its name i think .hope i helped.

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