How to manually remove hard drive compression

The solution below erases all information from the hard drive but allows the computer to be formatted and removes the drive's compression.

1. Boot from a bootable floppy diskette containing the fdisk file. For additional information about creating a bootable diskette, see our boot disk guide.
2. Run fdisk once at the DOS prompt.
3. In fdisk, delete the primary partition and all partitions on the computer.
4. Once deleted, reboot the computer again with the bootable floppy diskette.
5. Run fdisk again once at the DOS prompt.
6. Recreate the primary partition.

Once the partition is removed and then recreated, run the format command and reinstall your operating system.