Question about Dell Computers & Internet
There's a few things that can cause wifi connections to not work.
The most unlikely is just an incompatibility between your router and the wifi USB adaptor. There's not much that can be done then, except changing to a different adaptor or router instead.
Things you could check include:-
Make sure the router allows both kinds of wifi speed (B & G types - just to avoid errors while you test it)
If using any WEP passwords, make 100% sure you are using the right one - many people get a password just slightly wrong but are sure they haven't.
Make sure the router signal is strong enough to connect properly.
Make sure your router is able to have enough wifi connections (many are limited to 4, and neighbours may be using your connection too! pushing the router past its 4 limit).
All routers can have security settings tha can block in many ways, so if you didn't set it up yourself originally, whoever did may have put extra settings in place for protection.
Try having your laptop connect to another router - maybe at a cafe, library or friends house. This will narrow down the fact that it's your own router doing something wrong.
The first thing I would try before anything else is:-
If possible, connect using LAN a cable first, as that should work instantly - note that your firewall (if using Windows) may automatically block internet connections, and that would need sorting out in Control Panel first. You would usually use any CAT 5 or CAT 6 network cable (any length), of a 'cross-over' type. A cable of this type is sometimes included in the routers box if bought as new.
Good luck with it.
Posted on Nov 09, 2010
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Posted on Jan 02, 2017
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