Computer Lags but not because of CPU Usage
I had some problems for a while with my laptop about things getting slowing down while I was using my pc.Normally, slow downs occur if the CPU usage is very high and normally I use Task Manager to see what's going on.The interesting thing is when I open the task manager I see some processes using high CPU and I kill them , suddenly another process starts using CPU higher..after a while killing all the processes I end up with Task Manager and task manager uses massive CPU, obviously these processes were not using this much CPU. The first thing came to my mind is a driver problem.But how could I find it and prove which driver was it ? Normally you can do debugging and all kind of stuff to track down the problem but it's a massive work. I was searching the net I found this utility: http://www.thesycon.de/eng/latency_check.shtml great tool, showed me the lag and intervals so that while I was running this program I went to device manager to disable drivers one by one to see whic