I have little experience in wireless, and although I have been working with linux based system for years as part of my job, I'm literally hitting my head in the wall with this issue.
After a clean installation, on a dual boot laptop
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Machine: System: Sony product: VPCF24C5E version: C60A7RYG serial: 54247547-0000819
Mobo: Sony model: VAIO Bios: American Megatrends version: R2160V3 date: 09/23/2011
with this NICs
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Network: Card-1: Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller driver: r8169
IF: eth0 state: down mac: f0:bf:97:e9:92:9d
Card-2: Atheros AR9485 Wireless Network Adapter driver: ath9k
IF: wlan0 state: up mac: 64:27:37:97:fd:7d
I tried to connect to my access point, but with little success.
The story so far:
Windows O.S. wireless working properly (well, needless to say, the laptop is Windows tested)
Red-Hat based distrubutions - I used to work mainly on these - (Fedora/CentOS): wireless working properly
Mint: pain. Installed at university, wireless working flawlessly. Come back home, NetworkManager trying to connect repeatedly with no success.
Honestly I tried only the basic checkup routines, since I am really new to Debian based distros (read n00b) and I really haven't much time (any more ç_ç) to mess up with an unknown system.
From the syslog, I reckon that the SSID is correctedly detected as well as the wireless setting. The WPA2 key is entered, but when NM hands over to DHCLIENT to obtain a lease, the process times out repeatedly until it reaches the max number ot attempts and dies.
The very odd thing is, when I connect to the router by cable and THEN try to set up a wireless connection, the DHCLIENT finds a lease in no time.
If I disconnect the cable, disconnect WiFi and reconnect WiFi only, the DHCLIENT still works like a charm.
Now I'm really baffles.
Any help would really be appreciated.
Also, please tell me what information I could provide to...help you helping me.
Thanks in advance