I have an old Canon Digital Ixus camera which has a 1GB Sandisk 
(supposedly - it was bought off ebay) that has died. The card claims to be a 
SanDisk ultra II 1.0GB, but has no serial number on it anywhere, but another 
SanDisk card that a colleague owns has a serial number and country of origin 
printed on the edge, so I suspect it to be a rip off card.

It was working fine in the camera, but the camera is a pain to use on USB to 
download the images, as one needs to use the specific Canon software to get 
to it, and the software could be better. The camera does not appear as a 
removable disk when plugged into the USB.

So I put the card into a USB CF card adapter, and the PC saw it as a drive 
for a short time, but then it went awry, and now will not work in the 
adapter, or the camera. The camera will not format it, nor will another 
camera here at work that takes CF cards.

Is anyone aware of any reason why the CF card could die when used like this?

If the card has no likely means of recovery, I am tempted to try and open 
it. It looks like there is a metal cover each side which should pry off 
easily enough. 

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