以Windows 2000 Professional 為例。Right-click Start | Explore | Tools | Folder Options | View, click "Show hidden files and folders", clear (delete) "Hide protected operating system files (Recommended)".
From: Start | Search, type in "boot.ini" in Drive C, you will obtain "boot", right-click "boot", choose "Open", add one line command on the end:
multi(0)disk(1)rdisk(0)partition(2)\WINNT="Windows XP" /fastdetect
("Windows XP" is the O.S. name on drive D.)
Restart the PC.