In My laptop fn key do not working please help me

[lingamurthy9676]

i want fn function key work please help me my email id [don't post your email address on the forum]

 

[lingamurthy9676]

in my laptop fn key do not working help me

 

[lingamurthy9676]

yes laptop working

 

[lingamurthy9676]

fn + up key
fn + down key
fn + sides key do not working