I can't get pictures from my digital camera's memory card onto my computer?... Please help?

I was taking pictures yesterday of my birthday party, and a few hours later I looked at a few of them and they were fine, they were all there. Then a few hours later I try to look at them again and they're not there. They just disappeared!! What happened to them? I'm absoultely sure I didn't delete it, nor did anyone else... please help! My camera is a Canon Powershot A75, it's about 3 years old but still works really well, and the memory card is a Viking CompactFlash, I think around 128MB or something... please help! I really like the pictures that were taken. Thanks so much in advance for the time/effort to answer my question! ^_^

I just can't see the pictures on my camera screen in the preview mode, and it doesn't connect to my computer... I have a cable but that's not working, but that's a seprate problem. I think there might be something wrong with the inside (I kinda dropped it a few times on a hard floor...), not sure about that though.

Could it be take to a store like BestBuy to be checked, even if I didn't purchase the camera or memory card there?

are you looking at them on the camera itself, or do you pull out the memory card and insert it into a reader?

Is the card still in the camera itself still? Is that where you looked at the pictures before. If you take the card out and put it in a card reader, can you see the images there? If you put the card in a card reader and can see the images there, you might have a problem with your camera. If you take the card out and can't see any of the pictures after putting the card in a reader, you may have a bad card. There's not too much that can be done in that case, except to get a replacement card. These days you can get a 1g card fairly cheaply.

VIKING CARD ,THERES YOUR ANSWER ,VIKING CARDS ARE KNOWN FOR BEING CORRUPT(FAULTY) YOU HAVE PROBALLY LOST THOSE IMAGES,TRY A SANDISK CARD ,THEY COME WITH SOFTWARE TO RECOVER LOST PICS

go to yahoo search
type photo rescue