why i can't open my lumia 535 front camera?

[rilakkuma372]

I can open the main camera but i can't use the front camera it's just total black when i change my camera from main to front

 

[ms_nene]

Do a hard reset, it will fix it

Originally posted by rilakkuma372
I can open the main camera but i can't use the front camera it's just total black when i change my camera from main to front