I was playing teeworlds on wireless lan with my friends by ubuntu 11.10. Yesterday I installed 11.04 but I cannot connect their laptops(windows xp and 7). My system is updated. Is there an issue about wireless network?
System: Asus N61JQ-Jx092v
03:00.0 Network controller: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) (rev 01)