After logging onto my main home PC and opening IE, I noticed lag while repositioning the window around the screen. I opened the Task Manager, sorted by the CPU column and saw no single process reporting excessive usage: 
Nor was the hard disk light blinking or solid. However, looking at the Performance tab revealed two of the CPU cores hovering around 100%:
Archive for May 14th, 2012
Troubleshooting Excessive Interrupts & DPCs
Posted by William Diaz on May 14, 2012
Posted in Troubleshooting, Troubleshooting Tools | Tagged: Performance | Leave a Comment »
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