Can't view photos on camera or open when I've downloaded them

[nbirm]

I have files on my SD card which my camera says is unrecognisable format so I can't view them, however I did view them as I took them and scrolled through viewing a few too. When I try and download them to my mac, using various programs (photoshop, canon software, finder window and browsing for the files) the files do not open. I think somehow they've been corrupted somehow, but all the jpeg recover options I've tried haven't worked. The photos were taken using a Canon Ixus 860is, I can view and download photos that I took before and after these 70 odd files that won't work.

 

[zedshead]

you can check your SD card is can to use or no.

 

[sonnyb]

I'm having the same issue with my SD card. I have about 300 out of 1000 pics I shot that for some reason won't display. Did you ever figure it out?