No screen my screen remains black. it will film and play the sounds but no screen. also takes photo flash works etc. but screen remains blk. card is switch and ssme problem. However some photos taken at another time still show up

On the card, little switch on the side, slide it to "unlocked" mode

Hi. Open the camera back and pull the film further over towards the pick up spool, close the back and try again to take a photo, i had the same problem with an eos 650 and it always worked.Good luck.

Check that your digital camera is not in playback or review mode.
Make sure the memory card is in the camera and that the card is properly formatted.
The Memory Card may be full. Download the images to the computer or delete some to make way for new photos.
Check the charge on the batteries. Replace if necessary.
Have you been using the flash? It may be recharging. When it is recharged, the camera will be ready to take photos again.

This is a common problem... it is time to change the camera

Problem is your CCD has failed. Expensive repair.

if shoot black photos and videos, don't work shutter (repair lens unit).

Your LCD display might have switch off by mistake.

Press on the display button in the camera.

Hello. Your problem description lacks some detail. First, try a different SD card in the camera - format it IN THE CAMERA. If you are saying that when attempting to view the new shot on the LCD, results in this situation, then is the other information provided (by pressing the up/down) - shot number, details, etc.? Otherwise, if the LCD just remains black, try shutting down the camera and removing the battery and replacing it. ALWAYS SHUT THE CAMERA OFF before removing or inserting the battery or the SD card. If this doesn't address the issue, post additional information.

tuen on camera then press display a few times. it sounds like the display is just turned off. the lens system should be open.

This sounds like the CCD sensor is faulty ( this is the device that generates picture in both v-cams and normal digital cameras and sits behind the lens ). Playback is fine but no image ( or very 'noisy' image ) in capture mode. Easy to repair but one has to put a new CCD block in.