Certain Prototype PS3 controllers actually feature an LED under the PS button when plugged in/on. Model CBEH-1010. : r/PS3
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PS3 Controller not working, player 1 lights up and flashes : r/PS3
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Fix ps3 controller not connecting lights keeps blinking 100000% New Fix (no reset) - YouTube
How to Connect a Playstation 3 Controller to a Mac in MacOS Mojave, High Sierra, OS X El Capitan & Mavericks | OSXDaily
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