Ubuntu 10.04 - Exclamation point (!) next to wireless icon

I have the same exclamation point when using Ubuntu 10.01 32-bit and HP Mini 5102 with Broadcom WiFi. Icon shows connection correctly on 2.4GHz (802.11g) but not correctly on 5.2GHz (802.11a).

i also have problems can some 1 help ! sybol on my wireless and dosent connect to anything or finds any networks but it use to work when i first got ubuntu 11.04

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Originally Posted by kev196

i also have problems can some 1 help ! sybol on my wireless and dosent connect to anything or finds any networks but it use to work when i first got ubuntu 11.04

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Welcome to the forums! Try a hard reboot. Unplug the router and modem, and turn off the computer (take the battery out if its a laptop). Then, after a few minutes, start everything up again.