Question about Canon PowerShot SD850 IS Digital Camera
After taking more than 200 pictures I am now getting a ? with unidentified image showing. I'm using a 4GB elite pro sd card. I found this same problem on another dcresource website but without a solution. The picute appears to have taken fine but when recalled late I get the "?". I put the card in a reader and tried different programs to open the picture but without success. It does the same thing for both .jpg and .avi files. I tried using the Canon tech support site but could not find it among FAQ. I had a similar problem. In addition, when I looked at other pictures on my 4GB SDHC card, there were distortions such as a yellow shading over half the picture, or vertical shifts/lines in the image. I suspect the SDHC card is at fault since it is new and I had no trouble with the original 32 Meg card that came with the camera. Any others have any advice?
There are really only two possibilities. Either the card is at fault, as you believe, or the camera is not encoding images correctly.
Since the image encoding is coded into the camera when it's manufactured, and it's worked fine until now, there is really no reason to believe that's the problem. Unless you've done some kind of upgrade to the camera's internal software (which I seriously doubt), there is nothing that would cause it to improperly encode images.
So, yes, it's the SDHC card. Do you still have the 32 Meg card? Try using it and see if the problem continues. Also, how big is the SDHC card? The SD850 is only rated to use up to a 4 GB card. That doesn't necessarily mean that larger cards won't work, but they're not guaranteed to work. If your card is larger than 4 GB, you might want to try a 4 GB card and see if it works better.
Alternatively, you could have just gotten a bad card. That does happen from time to time. Either way, I would try to return the card to the store you bought it from. Either it doesn't work, or it doesn't work for you.
Posted on Mar 06, 2008
There’s nothing inherently wrong with your notebook, and nothing you can readily repair; most notebooks’ video cards and their drivers aren’t equipped to display video through a projector and on your notebook at the same time. You could try updating your video drivers, but you will likely have to change your system’s primary video source to the projector.
Different PCs may require slightly different steps, but opening Display Properties in Windows XP should generally be your starting point. Click Start and Control Panel and double-click Display. In the Display Properties dialog box, click the Settings tab. At this point, you should consult your notebook’s users manual to configure your notebook to use the projector as your primary video source.
Posted on Mar 06, 2008
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