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My thunderbolt display screen just developed what appears to be a moisture cloud covering about 80% of the total screen. It causes a hazy effect when the screen is on and is apparent as a broad cloud when the screen os turned off and disconnected. Could this be caused by condensation? Update (06/23/2019) @danj Hello Dan - Thank you for your email - most appreciated. I disconnected my monitor yesterday and placed it in a warming cupboard for 24 hours. I restarted it today and I have been working on with for over two hours. The apparent fault yesterday has not presented. Yesterday, it appeared to be a light ‘moisture cloud’ behind the glass screen. I’m hoping that the drying out has alleviated the problem If it presents again, I will photograph as suggested and contact you accordingly. Best - Grant
Sounds like you are in a very humid place! I do recommend you get a dehumidifier or air conditioner to help keep the air dryer
