To boot your Windows machine faster, it is possible to disable the graphical user interface used during system start-up (the Windows logo loading screen). To accomplish that, hit Windows key + R on your desktop to call a Run prompt
Make Windows XP Boot a Lot Faster
There is a simple registry option in the Windows XP Registry that, if not altered, adds a delay time to the the XP boot process. However you can easily set this delay time to zero if you know where to
Skip time on Multiboot Screen (Win XP)
If you install multiple operating systems on one machine, usually you are shown a screen on startup where you are asked to choose the operating system you would like to use. If you do not push a key on that