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intelogentFlag for United States of America

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my laptop can not see a

hi i have a dell inspiron 3737.    
for some reason, it can not see a 5 ghz   broadcast, but can see a 2.40 Ghz broad case.

could it be in my configuration.      Seems to have recently stopped, and i can not  figure it out.

any comments appreceiated.
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i am running windows 8.1     how would i delete the wireless profile ?
To delete a wireless profile, open an admin command prompt and run the following.

netsh wlan delete profile name="profile name"

Use netsc wlan show profiles  to see wireless profiles.

You can also delete unused profiles if you wish.
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let me give that a shot
I am very confused on the subject matter. ( perhaps this is why we ask questions ).

first question :     is my laptop capable of seeing a 5 ghz a/n wireless net work.     because if not, then nothing is wrong.

Fact : my MS Surface and phones see and can connect to network called noodles, which is broadcast from my router using wpa2-psk .   my brand new dell, does not see it.

Second question :  is it more preferable to use a 5ghz   Vs   a 2.4 Ghz ?
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John

i appreciate every comment.

i just logged into my device manager. it tells me i have a
dell wireless 1705.802.11b/g/n (2.4GHZ).      i am guess if it were dual band, it would say so.
MY buddy has the exact same laptop and also can not see the 5.0  broad cast  (:

on the other side, i do have other devices, and i have learned much...
thank you to all my friends.
@intelogent  - You are very welcome and I was happy to help.