Windows Vista has a prefetcher feature that allocates resources for a faster launch of applications and boot.Windows 7 the upcoming OS from Microsoft, has better startup timing than Vista, but incase you find it sluggish you can try this registry hack for a faster startup.
Also Checkout : How To Delay Start Applications In StartUp List To Improve StartUp Time In Windows 7
- Click Start.
- Go to the Search programs and files textbox, type regedit.
- Click Regedit.exe
- If the UAC window appears, click Yes.
- In the registry, locate this subkey: HLKM\ SYSTEM\CurrentControlSet\ Control\SessionManager\MemoryManagement\ PrefetchParameters.
- In the right pane, double-click EnablePrefetcher.
- Change the value to 2 and click OK.
- In the right pane, double-click EnableSuperfetch,.
- Change the value to 2 and click OK.
- Exit the registry and restart your computer for the changes to take effect.
Note : If you want to change the settings back to their default values, repeat the above steps, but change EnablePrefetcher and EnableSuperfetch to 3.
[Via – WebTlk]