Acer G236HL 23" Widescreen LED LCD Monitor - Grade A
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AC Adapter For Acer Monitor 65W Charger G236HL H236HL S230HL S231HL Power Supply | eBay
A blue line appeared. It came out because very young cousin messed with the buttons under the monitor. I'm sure it's not dead pixels because each side have different contrast/brightness, other side