RealTek 8172 Wireless not detecting network

I'm using Ubuntu Lucid 10.04.2, can not connect to the wireless as Network Manager I do not detect any wireless networks at all. The results of lspci on my computer shows the hardware is RealTex 8172.

    
02:00.0 Network controller: Realtek Semiconductor Co.., Ltd.. Device 8172 (rev 10)
My kernel 2.6.32-21-generic
What should I do?
Answer:
Solutions that can be done one of them is as follows:
Upgrade your kernel. See: Question 145: http://tanyarezaervani.wordpress.com/2011/05/05/tanya-145-cara-upgrade-kernel-ubuntu/
After the upgrade, your wireless may not be detected, even wlan0 on your computer are also not detected.
Next we install its wireless RealTek. Download the driver at: http://www.easy-share.com/1915158387/rtl8192se_linux_2.6.0019.1207.2010.tar.gz
Extract as usual.
Then do the installation in root mode as follows:

    
sudo su
    
Make
    
make install
Then restart your computer, and God willing, now re-emerged Realtek wireless and can detect an existing wireless network.

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