(1) The screen is cracked or water damaged. The screen may need to be replaced. (2) The wires that connect to the screen are faulty or disconnected. Disassemble the camera to reconnect the wires or determine other types of internal issues.
(1) The flash is not turned on. Turn the flash setting on. There is typically a manual setting. (2) The bulb is burned out. A replacement is needed. (3) The wires between the battery source and flash may be disconnected. They must be reconnected.
(1) Check the cable. It may be loose. (2) The auto power may be active. This will turn the camera off while it's not in use. (3) Compatibility may be a factor. Check the file type or try another computer.
There are a few reasons a camera may not turn on. (1) The battery could be low on energy or old and corroded. (2) The battery terminal is dirty. (3) The circuit connector is broken. (4) The power button is broken. Some solutions to this problem are: (1) Charging or replacing your battery. (2) Replacing the circuit connector. (3) Contacting the manufacturer for information on power button replacement, repair, and warranties. (4) Cleaning the battery terminal with a dry cloth.