SOLVED: Screen very dim, had temporary burn in / image persistence

Replacing the T-CON fixed it. - Samsung LN-T2353H

I guess even LCD displays get burn-in nowadays. Thanks Microsoft! : r/Surface

OLED Burn-In: What You Need to Know for TVs, Phones and More - CNET

Image burn in (or retention) - HP Support Community - 7518079

Surface Book 2 15 Image Retention / Persistence / Burn In Issue : r/Surface

Pixel Watch 2 screen burn in? - Google Pixel Watch Community

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Image persistence - Wikipedia

OLED burn-In: How to fix screen burn-in on your phone & TV

How to Fix Screen Burn on Any Screen? - GeeksforGeeks

How to Fix Screen Burn-In on TVs: Plasma, LCD, and OLED