Today I worked with an HP all-in-one with AMD Radeon HD 2300 graphics. It updated to Windows 10 version 1703, after which its extra monitor (attached via a USB-to-VGA adapter) stopped working. The main display also reduced in resolution, with the picture floating in the middle of the screen. Looking in Device Manager showed that the AMD graphics device had a problem.
Apparently, AMD stopped supporting that model a while back; their last released drivers are for Windows 8. HP only has Windows 7 drivers for the machine. Manually installing those drivers worked for a second, but then the driver crashed or something and Windows reverted to the Microsoft basic display driver, falling back to the one monitor at low resolution. Evidently, the 1703 update finally broke support for that AMD driver.
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