Thread: PRS-600 SD and MS Pro Problems
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Old 09-19-2009, 09:35 AM   #2
DMcCunney
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Quote:
Originally Posted by kazbates View Post
So, I'm assuming that the problems I'm having with the SD card has to do with the 600 trying to read a 700 formatted book. I have deleted everything off of my MS Pro card and am in the process of reloading it to see if that fixes the problem, but wanted to know if anyone else has experienced problems.
If you have one, put the card(s) in a USB reader and run a filesystem utility like Windows CHKDSK on them.

Things like SD cards are seen as disk drives formatted with the MS-DOS FAT file system, and can have the same problems as real disks with file system corruption. In particular, you can get "lost clusters". The cluster is the smallest unit of space on the drive readable/writable in one operation. It's possible for clusters to be marked as in use, but not actually owned by any files. This will mightily confuse the OS and programs that use the files, and can lead to the sort of behavior you are seeing.

CHKDSK can analyze the drive and find and allocate lost clusters to files, which can then be examined and (usually) deleted, restoring the file system to sanity.
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