I have an old PC with a HDD that was using Double Space. Since I do not need the extra space, and want to minimise the system use of RAM, I attempted to re-format the drive normally.
fdisk c:, which (IIRC) did not produce any errors, the drive is now responding "Invalid media type" to any attempt to use it. I have tried
fdisk /mbr, just
fdisk, with identical results, "Invalid media type reading drive C". It is MS-DOS 5.0.
Any simple solutions? Which Norton tool should I use?
According to the BIOS diagnostics the drive is ok.
Clarification: I have never booted from this drive, always from flash cards in A: or C: (with no HD installed). All the slots A-D are PCMCIA. It is a HP Omnibook.
More clarification: the reason I mentioned DS is that I first tried to just
format the drive, but it said I needed to use a DS-command (cannot remember the name), so I tried
fdisk instead, which seemed to work, but after that it has been "invalid media type" at any mention of
Also, there is only 4MB of RAM, so Norton Disk Doctor and some other Norton tools I tried do not run.
Addition: please note that this problem is solved. Thanks to all who replied.