New
#11
Well if 8 gig was working before your changes, than I'd go back where those changes were made.
Bottom line is you need to figure out what is eating so much of your RAM as I said before, you have way too much hardware reserved RAM. It should never be that high.
You might want to check out this article - Windows 7 memory usage: What's the best way to measure? | ZDNet
Also I fail to see how home builds are shunned unless you did something to actually void the warranty?