faulty

hey, just received my ps3, short story, when I connect it on hdmi/av I get black screen. (NO SIGNAL) PS3 power on perfectly, gamepad is turned on. There is no single repair service in my town so I am looking for options. How to do diagnostics? what are common problems for black screen?

Greetings everyone, hopefully all of you are doing well and healthy! I've been repairing PS3's for about a year now and its mostly fat systems with either a YLOD or a broken BD drive, however I've bought a very unique PS3 that i need help with as i am not really sure what's wrong with it...

sorry for this lame question. I never had anything except super slim and I know cfw2ofw convertion and transfer into internal hdd is best but after getting homebrew support recently I tried to mount a game in external hdd with managunz but nothing shown on XML... After enabling bdmirror in...