Depending upon how you intend to use your computer (like a workstation or server ), it may make sense to set the system cache. Open registry by going to START-RUN and entering regedit. Navigate to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management] . In this look for value of "LargeSystemCache". If available, do one of the following:If intention is to use the computer like a workstation, set its value to 0.If intention is to use the computer like a server, set its value to 1.