Fans running higher, faster & louder is completely normal and it's a result of the device cooling itself. Many people think that if the fan on their PS4 is running high and louder for some games that it's overheating.this is not the case. These consoles have an adequate cooling system to play games fo hours with no problems.

Overheating. For the most part, overheating issues on the PS4 Slim have been really overblown.Another problem with the optical drive on these consoles is that the laser lens can wear out and cause it to not read discs. Especially if you pull the discs out quickly, have kids that put stuff into the disc drive or if you live in a dirty, dusty environment. Disc Drive / Blu Ray Drive. While the original PS4 had a lot more problems with the rollers getting out of place, the PS4 Slim is prone to that as well.Need your PS4 Slim fixed? We recommend ShaneFix! Unfortunately, Sony will not repair bug infested consoles, even if they are under warranty. Since there is a power supply inside the device that gets nice and warm it provides a dark warm place for the insects to make their homes. That's right, the PS4 Slim can get infested with cockroaches just like the original console as well as the PS4 Pro. We can even fix consoles that have had lightning damage. If it is then you might have either a faulty HDMI port or possibly even a bad HDMI encoder chip (this is the chip on the motherboard that processes the HDMI signal). Make sure it's plugged in tight to both the game console as well as the TV. If you receive a no signal message on your TV with your console hooked up the first thing to check is your HDMI cable. Here are some of the most common repairs on the PS4 Slim and what you can do about it:

Ps4 s power button