Check the Exposure Compensation default setting. See Setting an Exposure Compensation Default . Stored pictures are damaged. The camera memory card was removed when the Ready light was blinking. Make sure the Ready light is not blinking before removing the card.
Picture is black and white, sepia toned, or has too much contrast.
The Effects setting is set incorrectly. Change the Effects setting to No Effects. Check the Effects default setting. See Setting an Effect Default . Pictures remaining number does not decrease after taking a picture.