I am running Windows 7 Build 7100 64 bit on an HP A6720F, Quad core AMD with 6 GB RAM. I did an upgrade from Vista SP1 and everything seemed fine. Now after 30 minutes or so, all 4 CPU's start running at 80-90%. Checking Task Manager processes only show about 3-4% usage, mainly from anti-virus...
anti-virus
clean install
cpu
high usage
hpa6720f
maxing out
performance
quad core
ram
services
system resources
task manager
troubleshooting
upgrade
usage
windows 7
windows upgrade
