To delete, and then re-create a primary partition, follow
Make sure that all the data on all the drives is backed up,
and that you have an updated ERD. To create an ERD, follow these steps:
Click Start, point to
Programs, point to Accessories, point
to System Tools, and then click Backup.
On the Tools menu, click
Create an Emergency Repair Disk.
Click to select the Also back up the registry
to the repair directory to save your current registry files in a
folder in your %Systemroot%/Repair folder.
Follow the on-screen instructions to create the
Start the computer by using the Windows 2000 CD, or the
Windows 2000 Setup floppy disks.
Note: Do not start this process from Windows. You must continue by
using the Windows 2000 Setup floppy disks or the Windows 2000
When Setup finds the previous installation of Windows 2000,
press N to install a fresh copy.
Follow the steps in Windows 2000 Setup until you see the
screen that displays the existing partitions and unallocated space.
Click to select the drive C partition, and then press D to
delete the partition. You receive the following warning message:
This is a system partition. Are you sure you want to remove
Press L to delete the partition. A screen appears that
shows the existing partitions and free space, and lists Unpartitioned
space where the drive C partition used to be.
Click to select Unpartitioned space
(formerly drive C), and then press C to create a new partition.
Press ENTER to confirm the maximum size for the partition.
The screen that shows the existing partitions and free space appears again. The
screen lists drive C as "New (Unformatted)" where Unpartitioned
space used to be.
Press F3 to exit Setup, insert the Microsoft Windows 95,
Microsoft Windows 98, or MS-DOS boot disk into the floppy drive, and then press
F3 again to restart the computer.
At the DOS prompt, type fdisk, and
then press ENTER.
Press Y to confirm large disk access.
Click to select option 2, and then set the
drive C partition as Active.
Press ESC, press ESC, and then press ESC again to exit fdisk.
Use the boot disk to restart the computer.
At the DOS prompt, type format c:,
and then press ENTER.
Press ENTER to confirm the format.
When the format is complete, type the volume label (this is
optional), and then press ENTER.
Type fdisk/mbr, and then press ENTER
to update the master boot record (MBR). For additional information about FDISK /MBR , click the
following article number to view the article in the Microsoft Knowledge Base: