MacBook Pro 13 "mid-2009, video card NVIDIA GeForce 9400M for maximum resolution 1280 x 800; OS 10.6.8
UE55F8000 Samsung TV 55 "with a resolution 1920 x 1080 (Full HD)
On none of the three HMDI ports (one marked HMDI-DVI) of the TV, the signal is not recognized. The LED housing does not turn on. In launching "monitors research" on the Mac System Preferences, the monitor is not detected.
Return the product.