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Everything was working just fine until I followed the instructions here. Now the driver seems to be there but for some unknown reason the wireless card cannot connect to any network.

lspci | grep Network

Network controller: Realtek Semiconductor Co., Ltd. RTL8723AE PCIe
Wireless Network Adapter

here is the results of running iwconfig:

iwconfig

wlan0     IEEE 802.11bgn  ESSID:"SSID-E5172-DC7B"
          Mode:Managed  Frequency:2.462 GHz  Access Point: Not-Associated
          Tx-Power=20 dBm
          Retry  long limit:7   RTS thr=2347 B   Fragment thr:off
          Encryption key:off
          Power Management:off

I was thinking, when I first installed ubuntu 13.04, ubuntu automatically installed the right network drivers. So, can I make it do that without having to reinstall it again??

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2 Answers 2

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Aircrack disables your WiFi card for normal usage. To reenable it, have a look at this question asked on ubuntuforums.org

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  • I tried all the solutions in this post ,but with no luck
    – Gray
    Mar 20, 2014 at 17:12
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i have had the same problem and you can use the terminal and type:

   rfkill list
   lspci
   lsmod wlan0
   nmap -v -iR 10000 -pN www.google.com

it sould work fine.

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