MacBook Pro WiFi problem

[iamwilliamcwl]

Does anyone here has any idea why my MacBook Pro couldn't connect to my home WiFi? It happen yesterday, the night before yesterday I still able to connect my home WiFi by the way
I tried restart my computer and modem/router
I tried run network diagnostics
I tried remove my home WiFi and reconnect it
It keep say my password is incorrect
Meanwhile my iPhone iPad and all my family devices is able to connect to my home WiFi (I also tried remove the WiFi and reconnect it on my other devices and it works)
Please help :cry: :help:
My MacBook Pro model is 2013 15inch Retina, OS version is Mavericks

 

[iamwilliamcwl]

Problem fixed!
You just have to unplug all your usb devices and restart your computer
Anyway I have no idea why it cause the problem
If anyone know why feel free and comment