First of all, your computer must be completely powered down and
turned off before starting this process. You won't be able to edit the
BIOS in sleep mode or hybernation mode. Next, power on the PC
and enter the system BIOS. How you enter the system BIOS screen will
vary according to your computer's manufacturer. This usually involves a
series of keystrokes. Which keys are used will depend on your system.
Now that we are in the BIOS screen, we are ready to speed up Windows
XP boot time. Find the Boot menu and select it using the arrow, Tab and
Enter keys on your keyboard.In most systems, you'll find a Quick Boot
option. Enabling this will skip common system self tests that occur
automatically when the computer is powered up.
In the next step to speed up
boot time, look for the Boot Device Priority option. You should change
the first boot device to your hard drive. This will speed up boot time,
but won't allow you to boot
via a boot disk like CD or floppy. If you make this change, then need
to boot from a disk later, you can re enter BIOS and change it back.
Next, choose the option Exit and Save Changes and the computer will
Always Remeber to do this process carefully because a wrong action will cause destruction and make your computer useless.