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FDISK for DOS Partition
(Current 6/04/03 bjm)

NOTE:

Partitions MUST be deleted in this order: Logical DOS Drives, then Extended DOS partition, then Primary DOS partition. Be careful, deleting partitions is irrevocable; all data on the drive will be lost permanently.

Obtain a DOS Boot Diskette from Systems

Delete Logical DOS Drives

1.      Insert DOS Boot Diskette into the floppy drive. Power on machine.

2.     At the DOS prompt, type:

fdisk and press the <Enter> key.  
If the following message appears:

Your computer has a disk larger than 512 MB. This version of Windows includes improved support for large disks,
resulting in more efficient use of disk space on large drives,
and allowing disks over 2 GB to be formatted as a single drive.

Do you wish to enable large disk support (Y/N)?
Press the <Y> key. Press the <Enter> key.

The FDISK Options menu appears. If you do not see the message the FDISK Options menu will appear without any prompting.

FDISK Options

FDISK Options
Current fixed disk drive:1

Choose one of the following:
 
 
1. Create DOS partition or Logical DOS Drive 
2. Set active partition
3. Delete partition or Logical DOS Drive
4. Display partition information
5. Change current fixed disk drive
 
Enter choice(1)
 
Press Esc to exit FDISK
 
 

 

Note: Option 5 is only available when a system has more than one hard drive installed

 

3.      Press the <3> key.

4.      Press the <Enter> key.
The Delete DOS Partition or Logical DOS Drive menu appears.

Delete DOS Partition or Logical DOS Drive

        Delete DOS Partition or Logical DOS Drive         
 
Current fixed disk drive: 1
 
Choose one of the following:
 
1.  Delete Primary DOS Partition
2.  Delete Extended DOS Partition
3.  Delete Logical DOS Drive(s) in the Extended DOS Partition
4.  Delete Non-DOS Partition
 
Enter choice: [1]
 
Press Esc to return to FDISK Options

 

5.      Press the <3> key.

6.      Press the <Enter> key.
The Delete Logical DOS Drive(s)in the Extended DOS Partition menu appears.

Delete Logical DOS Drive(s)in the Extended DOS Partition

  Delete Logical DOS Drive(s) in the Extended DOS Partition

 Drv Volume Label  Mbytes  System   Usage
E:  DATA            500   FAT16      33%
F:                  500   FAT16      33%
G:  GRAPHICS        514   FAT16      34%
 
Total Extended DOS Partition size is 1514 Mbytes 
(1 MByte = 1048576 bytes)
 
WARNING! Data in a deleted Logical DOS Drive will be lost.
What drive do you want to delete......................? [ ]
 
Press Esc to return to FDISK Options

 

7.      Enter in the Drive Letter of the drive that you want to delete.

8.      Press the <Enter> key.
The message: Enter Volume Label appears.

9.      Press the <Enter> key (The Volume Label is blank unless you specified one with a name).
The message: Are you sure(Y/N) appears.

10.   Press the <Y> key and then press the <Enter> key.
The message Primary DOS Partition deleted appears.

11.   Press the <Esc> key to continue after all logical drives are deleted in the Extended DOS Partition.

Delete Extended DOS Partition

1.      From the FDISK Options menu, press the <3> key.

2.      Press the <Enter> key.
The Delete DOS Partition or Logical DOS Drive menu appears.

3.      Press the <2> key.
The Delete Extended DOS Partition menu appears.

Delete Extended DOS Partition

                  Delete Extended DOS Partition 
 
Current fixed disk drive: 1
 
Partition  Status  Type     Volume Label Mbytes  System  Usage
 C: 1         A    PRI DOS  PROGRAMS       500   FAT16     25%
    2              EXT DOS                1514             75%
 
Total disk space is 2012 Mbytes (1 Mbyte = 1048576 bytes)
 
Cannot delete Extended DOS Partition while logical drives exist.
 
Press Esc to continue

 

4.      Press the <Y> key to delete the Extended DOS Partition.

5.      Press the <Enter> key.
The message, Extended DOS Partition deleted appears.

6.      Press the <Esc> key.
The FDISK Options menu appears.

Delete Primary DOS Partition

1.      Boot to your bootable media.

2.      At the DOS prompt, type:

fdisk and press the <Enter>key.

 

 

 

If the following message appears:

Your computer has a disk larger than 512 MB. This version of Windows includes improved support for large disks,
resulting in more efficient use of disk space on large drives,
and allowing disks over 2 GB to be formatted as a single drive.

Do you wish to enable large disk support (Y/N)?

Press the <Y> key. Press the <Enter> key.

The FDISK Options menu appears.

If you do not see the message the FDISK Options menu will appear without any prompting.

3.      Press the <3> key.

4.      Press the <Enter> key.
The Delete DOS Partition or Logical DOS Drive menu appears.

5.      Press the <1> key to Delete Primary DOS Partition.

6.      Press the <Enter> key.

The Delete Primary DOS Partition menu appears.

Delete Primary DOS Partition

                Delete Primary DOS Partition

Current fixed disk drive: 1
 
Partition Status  Type     Volume Label  Mbytes  System   Usage
 C: 1        A    PRI DOS   PROGRAMS        500   FAT16     25%
 
Total disk space is 2012 Mbytes (1 Mbyte = 1048576 bytes)
 
WARNING! Data in the deleted Primary DOS Partition will be lost.
What primary partition do you want to delete..? [1]
 
 
Press Esc to return to FDISK Options
 

7.      Press the <Enter> key.
The message: Enter Volume Label appears

8.      Press the <Enter> key (The Volume Label is blank unless you specified one with a name).
The message: Are you sure(Y/N) appears.

9.      Press the <Y> key and then press the <Enter> key.
The message Primary DOS Partition deleted appears.

10.   Press the <Esc> key to continue.

11.   You are done.



 

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