There are instructions for Debian but not for Arch. So far lsusb and dmesg show that the kernel detects and identifies it but the output of iwconfig shows nothing.

  • Is that for the Edimax Wireless USB: EW-7811UN? – Jivings Jul 27 '12 at 8:34
  • In my case it is this adapter but they have the same chip inside. – Tomas Jul 27 '12 at 21:54
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    This question may be useful to you then. – Jivings Jul 28 '12 at 9:34
  • Have you installed the driver from the Realtek website? – user46 Jul 28 '12 at 17:32
  • What exactly is the dmesg output for the card? Does the driver show up in lsmod? Which driver is it? – XTL Aug 14 '12 at 7:56

For anyone else who might be running in to this issue, this was helpful for me. You may need the ip link set wlan0 up command (if your wlan0 shows up in ifconfig). This was also pretty useful; it uses wifi-menu.

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