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I just installed elementaryOs on one of my old computers and can't get the wifi working. The network-manager (GUI) shows both installed cards (Atheros AR9227 and Ralink 802.11g) but claims that both are "disabled by hardware-switch". This is strange since I am working on a desktop computer and have never seen any wireless switch on the machine. According to rfkill list one of the cards is not blocked at all:

0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: phy1: Wireless LAN
    Soft blocked: no
    Hard blocked: yes

Update: The hardware is definitely not disabled. I installed Windows XP on the machine and Wifi works fine under Windows. I then tried installing Debian and even could use the Wifi-Adapter during the installation process (net-install) . But once the installation was complete, Wifi didn't work again.

Any idea what is going on?

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