Hi G-Slam
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We would like to know more information related to the issue
· Are both C; and D: drives primary partitions?
If both the drives are primary, then we can select D: drive as active and then format the C: drive. If C: drive is primary and D: is logical then we cannot format C:
Here are some links for reference:
Formatting disks and drives: http://windows.microsoft.com/en-US/windows-vista/Formatting-disks-and-drives
Partition a drive: http://technet.microsoft.com/en-us/library/cc722475.aspx
Thanks and Regards:
Samhrutha G S - Microsoft Support.
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