ive done all that and my adapter shows up
[root@localhost ~]# iwlist scan
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: 00:09:5B:AC:C2:94
Frequency:2.422 GHz (Channel 3)
Quality:64/100 Signal level:-55 dBm Noise level:-96 dBm
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
but it doesnt show in the network manager will it still connect to the internet if i unplug the ethernet cable?