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I am not saying this is the fix-all solution, but rather, it is A solution to A problem. Earlier, I got the error after about 2 minutes. I bent the cable away from the exhaust fan (to the back-right of PS3) and under it (to hold it in place) and never got another error for the duration of my show.
![psn internet connection test failed ps3 psn internet connection test failed ps3](https://www.gottabemobile.com/wp-content/uploads/2015/07/PSN-Problems-Fixes-3-768x376.jpg)
As i was reaching back there and fiddling with the ethernet cable, i noticed on the TV i got several "Ethernet Cable is not connected" errors. There seems to be a little bit of play in the jack itself, so I am thinking the play, combined with the heat which changes the size/shape of plastic and metal, is enough to cause a temporary disconnect. Last night, after getting the error again, I reached back and noticed the air exhaust (hot) is right beside the ethernet jack and that the cable was in fact very warm. So why would it disconnect randomly, the immediately "re-connect" ? The wire is not 'mechanical' in the sense, it hasn't moved same goes for the router. THIS IS the thing we need to think about: The PS3 connects fine on startup, and after a period of time, spontaneously disconnects. Funny, because the rest of their devices work well with the same equipment and others reported borrowing a new cable or router with the same results. it seems it is not an uncommon phenomenon, but because everyone starts their own threads about it, they are getting the generic "guess" answer, ie, you need a new router or cat-5 cable. It hasn't gone away so I started a little research last night. recently I started getting the odd, random " Ethernet Cable is not connected" error, coinciding with getting kicked out of an online game or losing my place in a show or movie. PS3 has a long run of CAT-5 from the router for obvious reasons. D-LINK 615 router setup with DMZ and fixed IPs for all wired & wifi devices in the house. Well, this started happening a couple of months ago, either gaming online (Marvel Pinball!) or even streaming shows.