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I recently installed saucy as part of a dualboot setup. My laptop's internal network adaptor is shot and so I have to use an external D-Link DWA-123. I have the installation disc and everything and it works perfectly on windows. However, I cannot get it to work on Ubuntu. How can I go about doing so?

My lsusb output:

Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 003: ID 0cf3:311d Atheros Communications, Inc.
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0c45:6458 Microdia
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 002: ID 0955:7100 NVidia Corp. Notion Ink Adam
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 2001:3310 D-Link Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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2
  • There are several revisions of this device. Please edit your question to add the result of the terminal command: lsusb
    – chili555
    Jan 30, 2014 at 14:28
  • Install usbutils and paste the output of usb-devices into your post.
    – Braiam
    Feb 1, 2014 at 23:09

3 Answers 3

Reset to default
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Type the following code in the console:

sudo apt-get install git build-essential
git clone https://github.com/lwfinger/rtl8188eu.git
cd rtl8188eu
make all
sudo make install

Then remove previously manual installed modules: eg:- sudo modprobe -r rtl8192cu

sudo modprobe 8188eu

Unplug , re-plug you should get going.

Tested on Dlink DWA-123 rev D1
Speedtest results : http://www.speedtest.net/my-result/3477686124

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  • +1 Thanks. This worked on my Linux Mint 17.1 Rebecca (Ubuntu 14.04.1 LTS)!
    – vjangus
    Jul 18, 2015 at 2:45
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Your device seems to be recognized, plus the vendor of dwa-123 is actually RALINK. So maybe these instructions do work for you:

Check if kernel driver is loaded.

$ lsmod | grep rt2800usb

If the driver is not present load em:

$ sudo modprobe rt2800usb

To make changes permanent add

$ sudo sh -c 'echo "rt2800usb" >> /etc/modules'


@see:

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5
  • This didn't work. Everytime i run the command ""rt2800usb" >> /etc/modules'" it returns permission denied
    – user241691
    Feb 1, 2014 at 12:32
  • Well /etc/modules is accessible by root only. Try sudo nano and then add rt2800usb at the end of the file.
    – suqed
    Feb 1, 2014 at 12:46
  • I don't understand this... I tried sudo nano and it opens a blank file. What am I to put in it?
    – user241691
    Feb 1, 2014 at 13:18
  • You can find more information here: help.ubuntu.com/community/…
    – suqed
    Feb 1, 2014 at 13:47
  • rt2800usb must be put at the end of this file.
    – suqed
    Feb 1, 2014 at 13:53
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Open a terminal (press Ctrl+Alt+t) and type the following command

rfkill list all

This will list the available wireless devices. Typing

rfkill unblock all

will unblock all wireless devices and 

ifconfig wlan0 up

will bring device wlan0 up i.e. initialize the device and try to connect to the network using the current settings (assuming your wireless device is wlan0). For more information on the rfkill command you can type

man rfkill

to read the man page. (press q at any time to return to command shell)

If that doesn't help, install ceni

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