Foggy LED Cinema Display

I just came back from the Holidays, booted up my computer connected to my LED Cinema Display screen, and within 15 minutes, a large gray blurring blob was projected on my screen. It takes up nearly half of the screen. I've never had any issues with the screen prior to this. The odd thing was that the screen was fine initially and then boom, the ghostly blur appeared. Has anyone else had these issues? Reading past inquiries, someone declared it could be due to possible condensation.  My computer isn't in a moist environment so I don't see this as a possibility.

could be either display cable or display itself, unsure how to figure out between the 2, though

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