Ps3

Hello,
I AM HAVING A DIFICULT TIME PLAYING ONLINE IN MY PS3 THIS JUST HAPPEND RECENTLY BEFORE IT WOULD WORK FINE FROM MY ROOM CAUSE I USE THE WIRELESS METHOD IT SINGS IN BUT THE FIRST TIME I SING IN I CANT IT SAYS TAKING TO LONG CHECK NETWORK SETTING I DID THAT EVERYTHING IS FINE IT SINGS IN THE SECOND TIME I GO TO PLAY ONLINE ON MY PS3 AND IT TAKES FOREEVER ON THE DEATHMATCH SCREEN SO IT TIMES OUT WRITE BACK ASAP PLZ IF U CAN HELP.