Running TestDisk under DOS

DOS version of TestDisk can used under

Hard disk must be detected by the computer's BIOS.

Note: In some rare cases, you may need to connect your hard drive directly to one of the motherboard's IDE connectors, as some IDE 'add-on cards' are broken; they do not follow the same standard specs used by TestDisk to find your drive.

Running TestDisk under Windows 95

Hard disks and other media that are larger than 32 Gigabytes (GB) in size are not supported under any version of Windows 95. http://support.microsoft.com/?id=246818

Running TestDisk under Windows 98

Windows 98 (with the correct patches) can handle hard disks larger than 32 GB; see: http://support.microsoft.com/?id=243450 for any info that might pertain to your version of Windows 98.