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Windows 7: Random GPU spikes

04 Oct 2011   #1
ZenixNet

Windows 7 Home Premium 64-bit
 
 
Random GPU spikes

My laptop has random graphics card spikes and I cant seem to find what is causing it. It doesn't seem to affect any games, it just makes the fan start and stop every other second which is pretty annoying.

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04 Oct 2011   #2
murmatron

Windows 7 Pro x86
 
 

The latest version of Sysinternals Process Explorer will show GPU usage by process.

CTRL+I to get the System Information dialog and select the GPU tab. Mouse-over the spike in the graph and it will tell you which process was responsible.
My System SpecsSystem Spec
06 Oct 2011   #3
ZenixNet

Windows 7 Home Premium 64-bit
 
 

I did that but there are no spikes in the graph. Strange..
I think it is graphing the integrated card not the actual card.
My System SpecsSystem Spec
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06 Oct 2011   #4
murmatron

Windows 7 Pro x86
 
 

If you click the 'Engines' button on the GPU tab you can choose which ones to graph. I'd like to think that they'll all show up there and it's defaulting to graphing just the first engine on the first card.

I have an integrated Intel and by default ProcExp only graphs engine 1 of 5 . You can watch everything it finds in real-time from the 'Engines' dialog.

If that doesn't work then I'm not sure where to go.
My System SpecsSystem Spec
08 Oct 2011   #5
ZenixNet

Windows 7 Home Premium 64-bit
 
 

No engine shows any data.
I have 12 engines.
My System SpecsSystem Spec
09 Oct 2011   #6
murmatron

Windows 7 Pro x86
 
 

Maybe the GPU gadget prevents Process Explorer from getting the data. (I'm guessing now)
My System SpecsSystem Spec
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 Random GPU spikes




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