On my Windows 7 (64-bit) PC, when I have a few resource hungry programs going, and half a dozen others, when I switch to an app that I haven't used for a while, it takes a long time to respond and I can hear the hard drive working a lot. I assume it's getting data from the page file. In Windows Task Manager it shows that I'm using about 75% of physical RAM, with the rest split about 50/50 between cached and free.
Even though RAM is available, has it moved data out of RAM to be only on disk? How can I make other programs more responsive? Will upping my RAM from 4GB to 8GB speed this up when switching from one program to another?
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