For starters, DLNA or Digital Living Network Alliance, is a protocol that allows sharing of media files or even other forms of data among digital devices like your ps3, pc, digital recorders and TVs. If something goes wrong with the server or with the connection, then media files are unable to make its way to your output screen.

PS3 7531 Error: So how do we fix it?

Experienced users of DLNA with the ps3 have found different ways of dealing with ps3 7531 error. You have to make sure to enable DLNA Media Server function of the connecting device, otherwise, its contents would be made available for sharing. Another tip has to do with the software you're using to view videos. Windows Media Player 11 must be present, and though it doesn't come pre-installed as default on most pc, you can easily download it from the Microsoft Site and install it.