Why aren't my Lumia 520 capacitive keys working?

[Ikbal Jamadar]

Having lumia 520 itsCapacitive key are not work .help me Plz

Capacitive key problem plz help me

 

[RumoredNow]

Re: Having lumia 520 itsCapacitive key are not work .help me Plz

Capacitive key problem plz help me

Can we get some more detail?

Did it just stop working for no reason? Recent update? Dropped? Screen replacement or other repair?

What have you tried? Soft Rest? Hard Reset? Reset Tool?