Unable to either locate any wireless networks nor even connect to wifi

Posted by Leo Chan on Ask Ubuntu See other posts from Ask Ubuntu or by Leo Chan
Published on 2012-12-04T12:27:30Z Indexed on 2012/12/10 23:18 UTC
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I'm new to Linux. I currently have installed ubuntu 12.10. I had a previous problem with my wireless card (see url to see previous problem : How to enable wireless in a Fujitsu LH532?). It now shows Connect to hidden network and create new wireless network but now unfortunately it simply cannot find any wireless connections. I did have a very thorough look around about this problem such as wait a little longer since sometimes it cannot load all the wireless connections available that quickly. My wifi is a hidden network and I have used the connect to hidden network feature but it keeps asking for my wep key which has been checked 4 times (I counted) and it still seems to not work; It keeps asking for the WEP key. I did try both WEP 40/128-bit key and WPA & WPA2 since previously on my windows it worked; My family later decided to use WEP. I only have a quick fix using a usb wireless stick and I wish to have a more solid fix.

Thanks

Results from sudo iwlist wlan0 scan

wlan0     Scan completed :
          Cell 01 - Address: 00:1E:73:C8:62:BD
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=25/70  Signal level=-85 dBm  
                    Encryption key:on
                    ESSID:"EnigmaHome"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=000000cb3bb10a5c
                    Extra: Last beacon: 696ms ago
                    IE: Unknown: 000A456E69676D61486F6D65
                    IE: Unknown: 010482848B96
                    IE: Unknown: 030106
                    IE: Unknown: 0706484B20010B1E
                    IE: Unknown: 2A0107
                    IE: Unknown: 32080C1218243048606C
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 02 - Address: C8:3A:35:34:C1:60
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=22/70  Signal level=-88 dBm  
                    Encryption key:on
                    ESSID:"Tenda"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
                              18 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000001336e70ffdd
                    Extra: Last beacon: 716ms ago
                    IE: Unknown: 000554656E6461
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030106
                    IE: Unknown: 32040C183060
                    IE: Unknown: 0706434E20010D10
                    IE: Unknown: 33082001020304050607
                    IE: Unknown: 33082105060708090A0B
                    IE: Unknown: DD270050F204104A0001101044000101104700102880288028801880A880C83A3534C160103C000101
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0106
                    IE: Unknown: 2D1AEC0117FFFF0000000000000000000000000000000C0000000000
                    IE: Unknown: 3D1606000500000000000000000000000000000000000000
                    IE: Unknown: 7F0101
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                       Preauthentication Supported
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B05010089127A
                    IE: Unknown: DD1E00904C33EC0117FFFF0000000000000000000000000000000C0000000000
                    IE: Unknown: DD1A00904C3406000500000000000000000000000000000000000000
                    IE: Unknown: DD07000C4304000000
          Cell 03 - Address: 00:1E:73:C8:62:BF
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=47/70  Signal level=-63 dBm  
                    Encryption key:on
                    ESSID:"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=000000cb3bac614e
                    Extra: Last beacon: 1064ms ago
                    IE: Unknown: 00110000000000000000000000000000000000
                    IE: Unknown: 010482848B96
                    IE: Unknown: 030106
                    IE: Unknown: 050C010200000000000000000000
                    IE: Unknown: 0706484B20010B1E
                    IE: Unknown: 2A0107
                    IE: Unknown: 32080C1218243048606C
                    IE: Unknown: DD070050F202000100

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