In the "weird bugs" department: one of my monitor's physical(!) buttons spontaneously remapped itself from "power on/off" to "increase contrast" for a while... a feature which doesn't normally *have* a physical button and is only reachable through OSD menus.
Replying to @joepie91
My guess: All those buttons were on the same ADC IO line, each with a different resistor value in series. The MCU detects different buttons based on the analog voltage level. Some dust/grime got into the contacts, changing the closed-circuit resistance.
9:28 AM - 17 May 2018
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