By working with different drives it sometimes may occur that two drives are given the same drive letter - usually this is not the case but it may always happen due to bugs. It is also possible that a drive
Apart from the usual file defragmentation on Windows 7, there is another undocumented function that rearranges boot files to grant faster access on them, resulting in shorter boot times. The usual boot options can be viewed by entering defrag -?
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