Check with Safari if you can browse websites. Then your apps should be able to use the internet, too.
If that fails have a look into the specific settings for this WiFi. They're behind the (i) on the WiFi name in Settings App. Maybe it's a good idea to klick on the ignore or forget button and get rid of any accidental manual setting. Just choose the Wifi again after removing it and enter the password to connect ...
Hi
To connect to a WiFi system, you may need 3 pieces of information:
A username
A password
An encryption key
Once you have successfully linked to a WiFi access point then your tablet will remember the settings until told to forget them.
A lot of the time you may only need the encryption key, and if the tablet detects a WiFi access point then if you tap on that in wireless settings then it will either connect automatically or ask you for some sort of code - the encryption key. If this is not entered correctly then it will return an authentication problem/error. In order to connect you have to have this code. Also bear n mind that the code may or may not be case sensitive, and that the authentication type for both router and tablet needs to be the same. It is possible that you will only be able to change the authentication type on the Aceess Point / router and not on the tablet.
Cheers
SOURCE: How do I connect through wi fi
Hi
Most tablets and phones working with Android will detect any WiFi access points within range.
Go to settings, Wireless & Networks, WiFi settings and the machine will show the networks within range at the top of the list.Tap on the network you wish to join and the machine will try to join the network, and if it is one you have joined before it will automatically connect. On the other hand if it is a new network to the phone/tablet, then unless it is totally open (and therefore insecure) you will need to put in the password to join the network.
Hope this is helpful, if so would you please register that with Fixya
Cheers
Hi
Look around the sides or front and back there is a button on your galaxy tab somewhere around the edge;s there is a button to be turned on try it
thanx tom
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