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.
# Next time you turn on your computer, the prefetcher will reserve more resources to the booting process instead of booting and application launching."