Booting from the Win98 CD won't let you format from the command line, though you can fdisk. You'll have to boot from the CD to command line, fdisk at the prompt, then reboot (from the CD) and format ...

We all need to start from scratch sometimes and if you're building a new PC, chances are you'll need to learn how to make a bootable USB drive. This will enable you to boot your PC directly from a USB ...

If there are multiple drives installed in the computer, then it can create confusion as to which drive has a Bootloader. This scenario usually happens when Master Boot Record is on the wrong drive.