Surface Book 2 throttles excessively, often down to 0.4 GHz

Anonymous
2018-05-30T14:41:18+00:00

I've recently purchased a 15" Surface Book 2.

When compiling large projects in Visual Studio 2017, I find that the processor often throttles excessively, often down to 0.4 GHz. As a result, compilation takes several times longer than it does on my 5 year old MacBook Pro. 

The Core Temp app shows that the CPU at this point is at 50-55 degrees Celcius or so.

The following question touched upon this problem, but the proposed solution did not work for me:

https://answers.microsoft.com/en-us/windows/forum/windows\_10-performance-winpc/cpu-clock-speed-sometimes-capped-at-04ghz/315d06ac-a40a-41f8-8314-b370f8b51618

Any ideas on how to fix this?

Thanks.

T

Surface | Surface Book | Power and battery

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  1. Anonymous
    2019-11-19T12:21:41+00:00

    NOT FIXED

    I tried testing with the Surface Dock and latest firmware / drivers, noticed the computer lagging as soon as it was docked with lid closed, checked Task Manager, and sure enough CPU stuck at .4GHz. Touched it and it was super hot. As soon as I lifted the lid, the fans came on, once it cooled, it seems to be fine. I have a feeling its overheating and the fans should be coming on when the lid is closed. I have reported this to Microsoft so many times, they just don't care.

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