To start your computer by using the Last Known Good Configuration feature, follow these steps:
1. Start your computer.
2. When you see the "Please select the operating system to start" message, press the F8 key.
3. When the Windows Advanced Options menu appears, use the ARROW keys
to select Last Known Good Configuration (your most recent settings that
worked), and then press ENTER.
4. If you are running other operating systems on your computer, use the
ARROW keys to select Microsoft Windows XP, and then press ENTER.