Computer says network security key is invalid when using correct key

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L

L_viathan

Reputable
Sep 6, 2015
1
0
4,510
After moving to university, I set up my computer and everything worked fine for 2 days. Currently we are sharing internet with our neighbors. My phone and laptop are working fine and have not ran into the same issue that my desktop has. When I try to reconnect the desktop I get told Im using the wrong password. I know I am not entering it wrong, Ive tried it over 50 times, Ive had my roommate try it and we still ran into the error.
I am using a TP-LINK TL-WN321G to try to connect, and I know its not broken because I can connect to a hotspot that I made through my phone and have had no issues.
I don't think our network has reached its cap of connected devices because I have since connected my 3ds.
My computer is running on a i72600, r9 280, on an Asus P8H67 motherboard, Windows 7 64 bit.

I have tried manually creating the network but it did not help.

Thanks in advance
 
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J

Joe Porter

Honorable
Aug 12, 2013
510
0
11,060
Try connecting to your router with an Ethernet cable. Enter the router settings and see reset the password to something else. Perhaps you never changed the password to your router config page and someone has gone in via the default password and changed the password to connect your device. But as I said the first thing I would be doing is connect via Ethernet and check your router settings and reset the Password.
 
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C

Crombulon

Commendable
Jun 4, 2016
1
0
1,510
I realize the thread is ancient by now, but having had trouble with this myself thought I'd share the solution.
The driver that Windows installs automatically for the adapter is crud and makes it recognize WPA2 protected newtorks as having WEP encryption instead. This wrong assumption makes it fail authentication with the right password.
Go to TP-Link's website http://www.tplink.com/ie/products/details/?model=TL-WN321G#down
download the driver manually making sure to check you get one of the right hardware revision http://www.tplink.com/ie/Article/?id=46
Install it on your computer and it should start recognizing the encryption mechanism, letting you authorize
That or find a way to get your computer online some other way and manually tell it to update the driver for the adapter through Windows hardware management
 
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