I recentley brought 2 SanDisk 8GB Extreme 4 CF cards on ebay. One of the cards works fine but the other has been confirmed as a fake by SanDisk. This card will not format in camera or on PC & will not save any files. Can you suggest anything to get it working.
Unfortunately, fake cards often are much lower storage space or do not work at all. The best way to deal with this would be to file a paypal dispute and report the seller to Ebay in hopes of receiving your money back. Sorry for the loss.
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Try fixfault.com to fix memory cards.