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Can't format my Sandisk 64GB SDXC microSD past 27.4GB

post #1 of 29
Thread Starter 

Bought this and can't get it to utilize the entire advertised size.

 

http://www.amazon.com/gp/product/B005V7WIA2/ref=oh_details_o00_s00_i00

 

Tried:

 

Windows formatter in command line
Formatting from right clicking the drive

Guiformat

All options in SDFormatter

HP Formatter

 

All the formatter programs recognize it as 27GB...is there anything else I can try? At what point can I verify it's defective and ask for a refund?

post #2 of 29

Have you tried the Panasonic formatter?

 

http://panasonic.jp/support/global/cs/sd/download/index.html

post #3 of 29
Quote:
Originally Posted by haveblue View Post

Bought this and can't get it to utilize the entire advertised size.

 

http://www.amazon.com/gp/product/B005V7WIA2/ref=oh_details_o00_s00_i00

 

Tried:

 

Windows formatter in command line
Formatting from right clicking the drive

Guiformat

All options in SDFormatter

HP Formatter

 

All the formatter programs recognize it as 27GB...is there anything else I can try? At what point can I verify it's defective and ask for a refund?

Do you have an Android device? Most of the successes come from people putting them in their Android devices and formatting them in the device.

If you don't have one,  then be sure you are formatting to FAT32.

post #4 of 29
Thread Starter 

That download file is the same as SDFormatter v3.1 that I already tried.

post #5 of 29
Quote:
Originally Posted by Achmedisdead View Post

Do you have an Android device? Most of the successes come from people putting them in their Android devices and formatting them in the device.

If you don't have one,  then be sure you are formatting to FAT32.

 

Isn't it exFAT?

 

http://kb.sandisk.com/app/answers/detail/a_id/2520

post #6 of 29
Quote:
Originally Posted by wuwhere View Post

 

Isn't it exFAT?

 

http://kb.sandisk.com/app/answers/detail/a_id/2520

They come as exFAT...but if you intend to use it in a device normally only intended for use with microsdhc, then you have to reformat it to FAT32.

post #7 of 29

That makes sense. But if a device is only designed for sdhc, it can't access the memory beyond 32gb.

post #8 of 29
Quote:
Originally Posted by wuwhere View Post

That makes sense. But if a device is only designed for sdhc, it can't access the memory beyond 32gb.

If you reformat it as FAT32, you can. 

post #9 of 29
Quote:
Originally Posted by Achmedisdead View Post

If you reformat it as FAT32, you can. 

 

That's cool, SDXC has dropped in price so much.

post #10 of 29
Quote:
Originally Posted by wuwhere View Post

 

That's cool, SDXC has dropped in price so much.

Android devices and Rockboxed Sansa players are what I have heard mentioned thus far as functional homes for these cards. I'd buy one myself if I didn't already have a 64GB player and two devices with 32GB cards.

post #11 of 29

Its for my Rockboxed iRiver iHP-120. I would need an adapter though.

post #12 of 29

I've formatted 64GB SDXC cards to FAT32 with guiformat with good results.  What device are you trying to use it with?  Other posts are correct if the firmware of the device only recognizes 32GB since that's that max for SDHC.  It's rare that the capacity is 1/2 than what's stamped on the memory card, but there is a very small possibility that the true capacity is 32GB.

post #13 of 29
Thread Starter 

Oops just realized I posted in the wrong forum. Meant to do it in computer audio.

 

Anyways, I want to use this for a J3. However, I'm not running into the problem of the device only being able to access 32GB of a 64GB card. I can't even put more than 27.4GB on mine since the card THINKS that its capacity is only 27.4GB.

 

It seems like a lot of people run into the problem of having their 64GB card appear as 27.4GB, but I can't find any solid solutions on how to fix it. None of the suggested solutions that I've found have worked.

 

GUIFormat, below, doesn't even show the drive as 64GB. It recognizes the correct sizes of my other drives correctly. The other programs do this as well.

 

 

 

I tried to use my Samsung S II to format it, but that didn't seem to work...

post #14 of 29
Quote:
Originally Posted by haveblue View Post

Oops just realized I posted in the wrong forum. Meant to do it in computer audio.

 

Anyways, I want to use this for a J3. However, I'm not running into the problem of the device only being able to access 32GB of a 64GB card. I can't even put more than 27.4GB on mine since the card THINKS that its capacity is only 27.4GB.

 

It seems like a lot of people run into the problem of having their 64GB card appear as 27.4GB, but I can't find any solid solutions on how to fix it. None of the suggested solutions that I've found have worked.

 

GUIFormat, below, doesn't even show the drive as 64GB. It recognizes the correct sizes of my other drives correctly. The other programs do this as well.

 

 

 

I tried to use my Samsung S II to format it, but that didn't seem to work...

 

Try testing the card....http://www.softpedia.com/get/System/System-Miscellaneous/H2testw.shtml

post #15 of 29
Thread Starter 

 

Results of H2testw

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