Fix your defective CF card as follows:

Started Apr 22, 2010 | Discussions thread
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Jeff Greenberg
Jeff Greenberg Contributing Member • Posts: 802
Fix your defective CF card as follows:

(based on advice from a tech)
(try it, you haven't anything to lose & maybe a card to gain)

Put defective CF card in card reader in computer
(I don't know Mac equivalents)
right click on My Computer
click on Manage
click on Disk Management
look for & right click on your inserted CF card
click on format
(takes about 1 min. to format)
safely remove CF card from computer
put in camera & shoot
find out if card is no longer defective & bad sectors have been blocked
please report results here

if it fixed card, always format same way, never in camera as camera formatting might unblock the blocked bad sectors

Yes, this goes against all camera manuf. advice to format in camera, but it is possible only Windows formatting can block bad sectors in some cases

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