Post [Q] lg l5 wifi problem wid 4.3,4.4.

hey i am using lg l5 since 2 years.i have been using cm 10.1(4.2.2).when i install 4.3, 4.4 android versions of cm 10.2, 11 the phone isnt connecting to wifi.when i type the password of my wifi,it just shows""Saved,Secured with WPA"".anyone please tell me how to solve it. thanks in advance.