Ps4 problem please help me D ;?

My ps4 is broken but not complete

1. That's really slow

2.Every time I start a game it takes a long time until I'm on it (ie in the game)

3. This is only with Fortnite so that when I start the game (ie Fortnite) crashes the ps4 and if I then make it back to first blackscreen and then she goes after a long time and then I can report that s.john what my problem is I've written several times but the answer is not or something

4. I have exactly 825.7 GB so for info

Please can someone help me please! Is important I'm already desperate! D

You can reach the support under the 06102 771 3001

I would put the console back to factory settings if nothing helps…

What kind of factory setting?

Open Ps4 and get all the dust out. I think it could be because of that. And if you did that, the ps4 on the sides must have burst enough off the fans and stuff.