Role Playing

A very simple trick to speed up your PC's file access is to change it's role.
By default, your system's typical role is set to "Desktop Computer."

Simply changing your PC's role to "Network Server" will increase the system
speed slightly.   This setting allows your system to cache open path and
filenames, storing more file data in memory, which means less disk operations

Steps:
Click "Start", go to "Settings", and choose "Control Panel".  Double click 
"System", and choose the "Performance" tab.  Now choose "File System".  Next
to the "Typical role of this computer" drop down box, select "Network Server"
and close all windows.
Reboot.