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I'm booting into ubuntu using a LiveUSB on my Windows 8 Sony Vaio laptop. It connects to the wi-fi but nothing works. I checked the proxy settings on the browser. Even when I try to ping google.com from the terminal, nothing happens. It seems like there's no DNS resolution happening. Is this something to do with the Windows UEFI secure boot?

I've installed ubuntu on a number of windows vista and 7 laptops before and have never had this problem.

Any help on this is appreciated.


Relevant lspci -nnk entry:

01:00.0 Network controller [0280]: Atheros Communications Inc. AR9485 Wireless Network Adapter [168c:0032] (rev 01)
        Subsystem: Foxconn International, Inc. Device [105b:e044]
        Kernel driver in use: ath9k
        Kernel modules: ath9k

Using ping:

ubuntu@ubuntu:~$ ping google.com
ping: unknown host google.com
ubuntu@ubuntu:~$ ping localhost
PING localhost (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost (127.0.0.1): icmp_req=1 ttl=64 time=0.036 ms
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Welcome to Ask Ubuntu! Please include specific information about your hardware. Include the output of lsusb and lspci -nnk | grep -iEA3 "(wireless|network)". An no, if Ubuntu boots, it has nothing to do with UEFI vs BIOS anymore. –  gertvdijk Feb 5 '13 at 16:56
1  
what happens if you try pinging your wifi router (usually 192.168.1.1 or similar)? –  ImaginaryRobots Feb 5 '13 at 17:18
    
@gertvdijk pastebin.com/BNiF6Ndi –  Ayush Feb 5 '13 at 17:53
    
@Ayush Please edit your question to include relevant information. It's how this site works. I'll do it for you this time. –  gertvdijk Feb 5 '13 at 17:55
    
Please try the instructions from this answer from a question with the exact same hardware. If that works, then we can mark it as a duplicate. –  gertvdijk Feb 5 '13 at 17:58
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