Surface Book 3 Throttling at 0.19 GHz

Anonymous
2020-06-08T03:02:54+00:00

Hello,

My 2 week old surface book 3 ( i7-1065G7) is now throttling at a very low speed of .19GHz.  

I have a standard mouse plugged in, and a Microsoft USB-C Travel hub connected.  To the travel hub, i have a 2nd monitor connected via VGA cable.  This system worked well until i plugged in an Ethernet cable to the hub from my router.

I have unplugged the travel hub, and have restarted the computer 2 times now with no luck.

Surface | Surface Book | Power and battery

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  1. Anonymous
    2020-06-22T16:45:27+00:00

    13 inch

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  2. Anonymous
    2020-06-22T16:30:40+00:00

    Mine is a 13"/32g/1T.

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  3. Anonymous
    2020-06-22T16:23:49+00:00

    @FiniteRex - Are you using the 13 or 15" model?  Just curious if it's one form factor or all form factors experiencing the issue.

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  4. Anonymous
    2020-06-22T13:00:03+00:00

    Same problem, I suspect bad firmware.

    A quick interrogation with Throttle Stop to see what's going on shows TPL1 (Power Limit 1) being hit repeatedly, almost to the point of constantly being on. 

    Scenarios investigated all baselined with SB3 on a Surface Dock 2 with it providing power, running 2 * Dell external monitors over USB 3.  Also baselined without the dock and external monitors. 

    Scenarios that seem to cause this:

    1. Any VC apps, Teams in particular
    2. Some CPU intensive games (not so much GPU side of things)
    3. Standard Aida64 CPU stress test.

    Eventually the TPL1 will become a ProcHot as well and the back of the screen feels ready to fry eggs.  A reboot results in a shutdown on some occasions and the "im too hot" screen on boot leaving you with a few minutes of waiting for it to cool down.

    MS - this is not good... all laptops throttle yes... but pretty much constant TPL1 followed by a runaway thermal spike that nearly cooks the device???

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  5. Anonymous
    2020-06-22T09:11:31+00:00

    Have the same problem here, already multiple times occurred.

    Starting in tablet mode with power + volume down works and makes the device reusable again.

    Unchecking the fast startmode in power settings does not have any effect.

    It was observed under the following conditions:

    Docked to Surface Dock 2 with 2x 4k Monitors, and

    Video conferencing software (Webex, Teams) or video widgets in the browser

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    7 people found this answer helpful.
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