I tried using the solution u've said, switch off removing battery & cf card & switch it on, holding the shutter button for 30 seconds but has failed work for me.Kabirisi Mugyenyi Muganga in Uganda East Africa.

  • Then you probably need to send it in for repair.
    – Michael C
    Sep 9 '15 at 12:30

Browse other questions tagged or ask your own question.