Pictures, Music,videos don't appear

[Conserned_user]

Pictures I have saved to gallery do not appear In the album app as well as music and videos I have saved or downloaded do not appear in the music or video app. I have a Sony Xperia L1 and it also does not have a "My files" app. Please help. 

[Uliwooly]

@Conserned_user

Are you able to see them with with a file commander ?