your system log have lots of
201.019841] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch [ 201.020002] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch [ 201.021485] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch
your system log have lots of
201.019841] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch
[ 201.020002] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch
[ 201.021485] iwl3945 0000:02:00.0: Radio disabled by HW RF Kill switch