Keep in mind, newer PS4 Slims which have not been dismantled before may require more firmness when pulling. Unclip the top cover, then slide it back to remove it. 2 Pull firmly on the front corners and front edge. Place the console on a soft cloth on a flat surface and remove the base. Remove all cables and devices from the console. From there it is out the fan across the top sheet, then the CPU/GPU heatsink, again with memory dimples, and out through the hot parts of the power supply. Place it on an open table in a clean environment. The disc drives ejection mechanism is unable to eject the stuck disc, so you must manually open and remove the disc: Turn off the console. Be sure to manually turn the screw and test it before closing it back up. It had turned past one of it limits and I just had to force it back. The cutouts over the fan intake are particularly strange, square holes, small round holes, L shaped holes. The lever the hits a slide on the side of the drive and pushes into the roller gear which then pulls it over the rollers to hold them down so the disk can spin. Now the air comes to the fan intake via those small holes and a couple of vents over the hard drive. The air cools the sheet, cools the memory chips by little dimples on the sheet and then is sucked through the sandwich by many small holes in the sheet metal and then through the mobo- yes, there are airholes strategically placed on the the mobo! Look by the battery for most of them that are directly over the fan intake. The air come in through the top slots, over and through the bottom of the sandwich as the mobo is upside down. There is a aluminum-mobo-aluminum sandwich about a half inch thick in between. The air comes in from the top of the back and goes out the bottom of the back. Figuring out the airflow of the PS4 is like doing origami.
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