A Microsoft firmware update is causing some Surface device owners to experience crippling CPU throttling, while many others are having difficultly connecting via Wi-Fi.

The CPU issue, which affects the Surface Book 2 and Surface Pro 6 owners, has seen users register top CPU speeds of just 400MHz for a device running on a 1.6GHz Intel i5 processor. Those speeds are comparable to those available on the Intel Pentium II Xoen processor released back in 1998!
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