Brighness I just bought canon sd750 but i'm having trouble with the settings. I don't know on what level to set the brightness of the lcd does it make any difference when the pictures are developed?

should be a brighness setting you can adjust in the settings menu

Hello
If baklight CCFL tubes become weak, the brightness will be very weak. Now you can see the picture with least brighness. So it is sure that, the backlight inverter board is working well. Just check the CCFL lamps. For a 37 inch LCD tv may have atleast 14 CCFL lamps. When replacing, do replace all at one time. OK.

Melinda, A stuck shutter is another common failure mode for digital cameras. The symptoms of a stuck or "sticky" shutter are very similar to CCD image sensor failure. The camera may take black pictures (for shutter stuck closed), or the pictures may be very bright and overexposed, sometimes with lines, especially when taken outdoors (for shutter stuck open). To confirm a stuck shutter, put the camera in any mode other than "Auto", and turn the flash OFF (you don't want to blind yourself for the next step). Next look down the lens and take a picture. You should see a tiny flicker in the center of the lens as the shutter opens and closes. If no movement is seen, then you likely have a stuck shutter. If so, please see this link for further info and a simple fix that may help.

Mine did the same. I don't know what caused it, but removing the menu button solved it. Crude but effective.
I took a knife, pried out the Menu button, then took a pliers and removed the little black plastic button and problem solved.
Now I can't change the settings, but switching between VGA, HDMI, and DVI works just fine. No more annoying brightness pop-ups that don't go away!!!

It's not the screen, but its backlight that is the problem. It's likely a poor connection of the ribbon cable in its connector socket. This problem will require either professional repair, or your opening the case to reseat the backlight ribbon cable in its connector. Here's a disassembly of a somewhat similar SD600 to give you an idea of what's involved.

to adjust brightness levels you might want to modify ONLY the brightness, contrast and gamma settings. Others might mess up your colors or god knows what. You can also set up the GPU's brightness settings by going to the gpu's control panel, usually opened by right clicking the desktop and selecting your video card's control panel option. Then adjust the brightness, contrast and gamma options to suit your needs. Hope that helps!

Hi

If you can't take new pictures (they are totally black) but you can see old pictures, then either the lens aperture is stuck closed or your CCD is bad. Either means that you need to replace the lens of the camera.

You can look online for a defective camera and make one good one out of the two, but it's difficult to find one with a good lens!

Don't bother going to a store or 'service center' though you can if you would like to verify what I'm about to say. They won't know anything about camera repair, and will want to charge you $150 or more for the repair if they say they will do it. If they do take on the repair, all they will do is send it to Canon which you can do yourself for about $150.

There are AFFORDABLE digital camera repair businesses online, I know, because I own one! We can replace your lens for about $75.

Good luck with your repair,

Thomas D.
Owner; Darntoothysam com

This setting will be in the MENU settings:

• AiAF: Sets AiAF to On, Off, or activates Face Detection.
• Digital Zoom: Can be set to Off, 1.5x, 1.9x, or Standard.
• Slow Synchro: Allows you to shoot with the flash at slow shutter speeds, useful at night.
• http://www.imaging-resource.com/PRODS/SD750/SD750A3.HTM

Need more details on the problem, but...

Perhaps your light settings are set completely too bright so all you see is white. Like i said though, i'll need more details.

you still have time to clean the unit!!! waiting for even a week will result in internal corrosions, you have to seek professional help to fix it as soon as possible.