This troubleshooting guide is for the Sony Cyber-shot SD450 digital camera.
Camera will not turn on
Battery may not be in the camera.
Check to make sure the rechargeable Lithium Battery is in the camera. If it is, make sure the battery reads "Battery Pack NB-4L"
Battery may have lost charge.
Connect the camera to the provided AC adapter and let it charge fully, then try turning on again.
If neither of these help, you may have to purchase a new battery.
Battery will not charge or runs out quickly
Replace the Battery
Follow the instructions in the Canon Cyber-shot DSC-W290 Battery Guide.
Images are blurry/distorted
LCD screen is dirty
Clean the LCD screen with a damp paper towel.
Replace the LCD
Follow the instructions in the Canon Cyber-shot DSC-W290 LCD Guide.
No image on LCD screen
Camera may be off
Ribbon Wires may not be connected
Follow the instructions in the Canon Cyber-shot DSC-W290 LCD Guide to access and attach the Ribbon wires.
The LCD may need to be replaced. Follow the instructions in the Canon Cyber-shot DSC-W290 LCD Guide.
Flash is not functioning
Capacitor may not be charged or camera may have low battery
Remove battery and replace with charged battery by following the instructions in the Canon Cyber-shot DSC-W290 Battery Guide.
Connections may have come loose
Follow the instructions in the Canon Cyber-shot DSC-W290 Flash Bulb Guide to ensure all ribbon wires are firmly connected.
Bulb may be burned out
Follow the instructions in the Canon Cyber-shot DSC-W290 Flash Bulb Guide to replace the flash bulb.
Lens error code
Several issues can cause this. Try each of the steps in below in order to fix the problem.
Remove batteries from the camera and replace with charged batters, power the camera on.
Removing the memory card and the battery, replace with charged battery and power the camera on.
Insert the audio-visual cable into the camera, this will give it more power which may be able to overcome particles blocking the lens' movement.
Place the camera on a flat surface pointing the ceiling, hold the shutter button while turning on the camera. This hopes to make the camera focus while the lens is extending to realign the lens.
Use compressed air from a can to blow into any cracks or crevices in the lens. This hopes to blow particulates out of the lens.
Follow the iFixit guide to remove the lens and replace it with a new one
Camera is not reading memory card
Memory card may not be in the camera
Open the memory card slot to check to if there is a memory card. The memory card slot is located next to the battery.
Control buttons not functioning properly
Make sure to firmly press buttons
Firmly press the buttons when trying to use the camera. The buttons are stiff, so make sure to press the button down completely.