"Invalid Media" Error Message Formatting FAT32 Partition

ID: Q155349


The information in this article applies to:
  • Microsoft Windows 95
  • Microsoft Windows 95 OEM Service Release version 2


SYMPTOMS

When you try to format a FAT32 file system partition larger than 8025 MB from within Windows 95, you may receive the following error message

Verifying <xxx.xx>M
Invalid media or track 0 bad-disk unusable
Format terminated
where <xxx.xx> is the size of the partition.


CAUSE

This error occurs if there is a non-DOS partition preceding the extended DOS partition and the primary DOS partition has been formatted using the real-mode FORMAT.EXE command.


RESOLUTION

To resolve this issue, format the volume using the following steps:

  1. Click the Start button, click Shut Down, click Restart The Computer In MS-DOS Mode, and then click Yes.


  2. Type the following command and then press ENTER
    format <drive>:
    where <drive> is the drive letter for the partition you want to format.


  3. When the partition is formatted, type exit to restart Windows 95.


Keywords : diskmem win95
Version : WINDOWS:95
Platform : WINDOWS
Issue type :


Last Reviewed: June 1, 1999
© 2000 Microsoft Corporation. All rights reserved. Terms of Use.