Router asking for a "security key" (?)

Hi, I tried to add WPA encryption to a router That wasn't protected at all, using the wireless connection. I successfully accessed the router's configuration menu, but while changing options, I lose the connection and I'm not able the connect anymore because the router is now asking me for a security key. I write the connection password but it tells me that the security key is wrong. I'm now confused.

Someone told me that I have to connect to my router with a LAN cable. Is it true? But I can't find the the router: I'm living in my brother's house while he's in Europe and I don't know where the hell (:mad:) he put his router. Maybe in the locker room?

Someone can help me?

Thank you
 
The only thing you can do is:

A: Connect through an Ethernet cable directly to the router and disable the encryption

or

B: Find the router and reset it by holding down the button in the back for 10-15 seconds.
 
As advised above reset the router back to default using the reset button usually on the back on the router.

Then have a look on the base of your router, nearly all routers have a default password printed on the base.
 
But what is that security key? Each time I activated the web connection, I was asked for a password (which was chosen by my brother). Is it the same or is it two different things?

Thanks for your answer so far...!
 
You will have to get the key from your brother.
The only other way to get it is from the router itself and you will need a lan to get in unless he changed that password also.
 
You will have to get the key from your brother.
The only other way to get it is from the router itself and you will need a lan to get in unless he changed that password also.

No no, my brother actually gave me the password. I could connect to the web until I tried to configure the router. Now the router appears with a different name (linksys_3723 instead of linksys_2983 something like that), and he doesn't accept anymore the password that my brother gave me...
 
Once you added the wpa security, it most likely showed you a security key that you have to enter now. You'll have to find the router and attach a laptop to it and access the routers configuration page to see what the new key is. If its a linksys router then the user name is blank and the password is admin. Unless the owner changed the login settings.
 
Well thanks a lot everybody for your quick answers.

I think there's nothing I can do unless the router is not in the locker room...
I just shouldn't have tried to configure it.
 
That's how we all learn, by our mistakes.
I'm sure everyone on this forum has messed up a time or 2, except me, I'm purrfect... :rolleyes: not....
 
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