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SD Card won't format to FAT32

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  • SD Card
  • Format
Last response: in Digital Camera
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July 21, 2014 3:33:35 AM

Hi all.

I recently found a 64GB SD card with a broken casing and no label on it. I took it home and re-cased the chip it in a 4GB SD card case. I had to do some work with a craft knife to get it to fit but I was successful.

I put it in my USB SD card reader and it opened up explorer but it had no files on it.

I decided to use Windows to format it and selected the default file system which displayed as exFAT.

I formatted it as exFAT which completed fine but it won't recognize in my Canon camera or Hitachi professional camcorder, both of which state they take 64GB SD cards.

I tried to reformat using windows again but the only other option I get is NTFS which it will format in but again is not recognized in any of my devices.

I tried to use the 'USB format tool' that is used in the making of 'Hirens BootCD' and that does give me the FAT format option but if I use it I get a 'file system too large' error or something like that.

I also don't know what the speed of this card is as there was no label on it.

Has anyone got any suggestions or should I just bin it?



More about : card format fat32

July 21, 2014 4:01:38 AM

Hello... Yes the Max VOLUME size for fat32 is 2TB... Try deleting all partitions on it first, then try a Format at FAT32 on it... Your camera has it's own format type to handle the 64gb, and can be done in the camera.
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July 21, 2014 4:02:38 AM

The max size for individual files on FAT32 is 4GiB. Not the maximum volume size; I've had 500GB drives formatted as FAT32 before, though admittedly not by Windows.
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July 21, 2014 4:06:06 AM

Ironsounds said:
Hello... Yes the Max size for fat32 is about 4gb...


How do I partition an SD card in Windows 7 Ultimate x64? Disk management?
Do I format 3GB as FAT32 and the other as NTFS and then try it in camera?

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July 21, 2014 4:09:33 AM

I don't have to option to delete the SD card partition in Windows disk management.
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July 21, 2014 4:10:12 AM

Most cameras have a built in formatting tool. That's probably the best thing to use.
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July 21, 2014 4:14:35 AM

Hello... Your camera has it's own format type to handle the 64gb, and can be done in the camera.

OPPS....Yes the Max VOLUME size for fat32 is 2TB... ME BAD B )
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July 21, 2014 4:23:11 AM

Ironsounds said:
Hello... Your camera has it's own format type to handle the 64gb, and can be done in the camera.

OPPS....Yes the Max VOLUME size for fat32 is 2TB... ME BAD B )


I'm using Minitool Partition wizard but it will only create a 4GB maximum FAT32 partition. If I try and format the other partition to FAT32 it says 'Warning: Windows only recognizes the first partition on removable media'.
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July 21, 2014 4:25:11 AM

Someone Somewhere said:
Most cameras have a built in formatting tool. That's probably the best thing to use.


The camera won't acknowledge the SD card has been inserted so I can't use that to format it.
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July 21, 2014 4:29:17 AM

Formatting 4GB to FAT32 works in Windows but camera still say's "Insert SD Card".
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July 21, 2014 4:33:35 AM

Used Minitool to format whole SD card single partition to FAT32, it worked, camera still say's, 'Insert SD Card". :-(
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July 21, 2014 4:36:35 AM

Hello... Does your camera maker have any suggestions on their site? or have an APP or Tool for use? Do you have a switch on the SD card in the wrong position? like a Protected mode?
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July 21, 2014 4:52:27 AM

Hello... Maybe, it's not the size of the card that matters here, For compatability, BUT the type of card for your cameras?... not all SD cards are the same... SD, SDHC, SDXC.
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July 29, 2014 3:43:19 AM

According to http://technet.microsoft.com/en-us/library/cc938432.asp...
The maximum volume size for a FAT32 filesystem in windows (XP at the very least) is 32GB.
Which OS are you using? From the screenshots looks like Win XP. Can you try for a 32GB format? Can you try it on a different PC (preferably a Linux)?
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