Friday, October 10, 2014

windows 7 - procexp.exe has high CPU usage


Once in a while The system starts consuming a 5-6 times more CPU than usual.
For instance if usually procexp.exe CPU usage is ~3%, it can get to 15-20% in that period.


In my opinion, this is not a problem with some specific process but rather hardware/OS.


The CPU temperature is below 50 deg. The RAM is also fine.


Answer



Apparently the problem was with the laptop's battery, regardless if it was plugged in to the electricity source.


I have re-imaged the laptop and it didn't fix the problem.
Then I've changed the battery and the problem disappeared.


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