SDXC card unable to Erase/format.

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SDXC card unable to Erase/format.

Hi there,

new SANDISK 32GB SDXC card from authorized seller will not progress past the initial stage of the Erase process i.e after I hit Erase in the Disk Utility the log shows the SD card has been partitioned but 'waiting for the disks to re-appear'.

So it stalls at this point and never formats into MacOS Extended (Journaled).

It also only shows up as 32 MB on the Apple SDXC reader instead of 32 GB.

It is a brand new card, never formatted or used before. Am I missing something or is the card at fault?

Card inserted into both my MacBook Pro (2012) and new iMac both running 10.8.5.

Any ideas?

Posted on Oct 20, 2013 8:54 PM

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Answer 1

brenden dv

Community Specialist

Oct 23, 2013 11:53 AM in response to Tasmanflyer

Hi Tasmanflyer,

If you are having issues with your SDXC card, you may find the following article helpful, in particular this portion:

Can I reformat an SD card with Disk Utility?

Yes. Using Disk Utility, you can partition and format an SD device as FAT32 (using the MS-DOS FAT setting) or Mac OS Extended. The Mac OS Extended format can only be used on Macintosh systems. Cards formatted to Mac OS Extended will not be recognized by non-Apple systems. Formatting cards larger than 32GB for use with digital cameras, GPS, and other devices may require formatting them with the exFAT file system. When in doubt, format the cards in the device you intend to use with the card.

Apple Support: About the SD and SDXC card slot

http://support.apple.com/kb/HT3553

Regards,

- Brenden

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