2.5 year old AOC 24G2 monitor does this and after windows loads. Already confirmed it's not the laptop or the cable. Is it a dead panel or is it new monitor time? :
AOC G2 Series C27G2 27" LED Curved FHD FreeSync Premium Monitor (DisplayPort, HDMI, VGA) Black/Red C27G2 - Best Buy
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AOC - C24G1, 24 Inch (60.96 Cm) 1920 X 1080 Pixels, Curved Gaming Led Monitor with Vga Port, Hdmi*2 Port, Display Port, 144Hz Refresh Rate (Black) : Amazon.in: Computers & Accessories
Monitor test of AOC U32U1: when design is priority - HWCooling.net
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kenable Detachable Plug HDMI 2.0 Active Optical Cable AOC for Wall ...
Best Buy: AOC G2 Series C32G2 32" LCD Curved FHD FreeSync Gaming Monitor Black/Red C32G2
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LOT OF 2) AOC I2757FH 270LM00005 27" Widescreen LED Monitor VGA HDMI - WARRANTY | eBay
How to switch between the image of the Laptop & Desktop PC (AOC monitor, HDMI, DP, 1st & 4th button) - YouTube
AOC 24" G2490VXA, Full HD, VA - gaming monitor | Gaming monitors | Monitors and accessories | Peripherals | Multitronic
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AOC E2470SWH 24" inch LED Monitor Input DVI, HDMI, VGA (UK)