My theory was that high operating temperature caused the balling to get partially softened and develop crystalline defects when cooling. I base it on personal e

My theory was that high operating temperature caused the balling to get partially softened and develop crystalline defects when cooling. I base it on personal experience that they never failed while running, but at least three people I know experienced these failures after powering down PCs for few days. All four GPUs were fixed by a friend of mine by... cooking them in the oven briefly