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After Microsoft released an operating system update, the driver may not be a perfect fit between the OS and the hardware.

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Adaptive tile refresh is a computer graphics technique for sidescrolling games, famously used by id Software's John Carmack to compensate for the poor graphics performance of PCs in the early 1990s.

Its principal innovation was a novel use of several EGA hardware features to perform the scrolling in hardware.

The technique was eventually used to create the PC sidescroller Commander Keen.

Adaptive tile refresh using hardware scrolling made its first appearance in an unreleased test game dubbed "Dangerous Dave in Copyright Infringement".

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We know which bits work, which bits don’t, and when we need to wiggle the USB plug to make it connect properly. In the past, new versions of operating systems were not a big priority for many users.