Nov 15, 2019
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The Surface Pro 6 and Book 2 see their CPU slants, Microsoft seeks a solution

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Some users of Surface Pro 6 and Surface Book 2 have found that performance has been sluggish since the last update, with the CPU clock being limited to 400 MHz. A technical problem that Microsoft claims to work on.

This is a very annoying technical problem that affects some users of Surface Pro 6 and Surface Book 2, who see their PC idle for no apparent reason since the last update. And for good reason, since it turns out that the processors of Microsoft computers are restricted under certain conditions. In question: throttling (decreases in the rate of the processor) which Microsoft has knowledge and against which it ensures working on the solution.

Indeed, some users have shared on 4chan the consequence of the last update of Windows 10. Even for very simple tasks requiring little power, the frequency of the processor stagnates at 400 MHz when the PC is connected, while the average The chip housed inside these machines is usually between 1.6 and 1.7 GHz – four times more. A problem that has the effect of rowing computers in normally innocuous tasks, which is rather wrong when you see the price at which Microsoft computers are sold.

The problem has been identified and comes from the BD PROCHOT protocol (“bi-directionnal processor hot”) which reduces the frequency of the processor when it is too hot to avoid overheating. However, it seems that this protocol is activated randomly, even when it is not necessary.

If a user is concerned, he will have to wait until an update. Meanwhile, third-party software, such as Changing XTU or Throttlestop , disable the BD PROCHOT protocol. A less than ideal solution but should do the trick for a few days.



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Laptops

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