Microsoft KB Archive/944345

= Error message when you connect an SDHC card that has a capacity of more than 8 GB to a Windows XP-based computer: &quot;Disk is not formatted. The disk in drive X is not formatted. Do you want to format it now?&quot; =

Article ID: 944345

Article Last Modified on 12/12/2007

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Media Center Edition 2005
 * Microsoft Windows XP Tablet PC Edition 2005

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SYMPTOMS
When you connect a Secure Digital High Capacity (SDHC) card that has a capacity of more than 8 gigabytes (GB) to a Windows XP-based computer, you may receive an error message that resembles the following:

Disk is not formatted.

The disk in drive  is not formatted.

Do you want to format it now?

When this problem occurs, the computer may not read the card. This problem occurs if the card uses the FAT32x file system.

Warning If you click Yes to format the SDHC card, all data on the card will be erased.



RESOLUTION
To resolve this problem, apply the hotfix that is included in the following Microsoft Knowledge Base article:

934428 Hotfix for Windows XP that adds support for SDHC cards that have a capacity of more than 4 GB



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
If you do format the card in Windows XP, the card is formatted with the FAT32 file system, and the computer can read all the available space on the card. However, all previously written data on the card will be erased.

Keywords: kbtshoot kbexpertisebeginner kbexpertiseinter KB944345

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