The infamous 'Blue Light of Death' is caused by overheating issues. This problem can also occur if the Playstation 4 console is dropped over a certain height.
HOW WE FIX THE BLUE LIGHT OF DEATH
A Reflow is performed on the APU chip and the factory thermal paste is replaced with high quality Arctic Silver 5 compound. We also add re-enforcement to the mainboard back plate to prevent APU solder from breaking again