wifi connection problem

[Aafat]

dear sir,

             im having problems connecting my xperia c2104 to my home network...since i factory reset my phone last evening

every time i enter the network ssid and password of my router...it shows my wifi network is out of range..while all other devices like laptops and other smartphones have been merrily working...plzz help im using the dlink 2750u router..

[Alexander1]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

Are you able to connect to another Wi-Fi network?

Please take a look at the following topic: 

http://talk.sonymobile.com/t5/FAQ/Wi-Fi-problems/m-p/348104#U348104