Hi Sandblaster42,
I'm very sorry for any inconvenience this may have caused you. Unfortunately, this sounds like it may need servicing. Here's the thread where you can get details on setting that up: http://forums.cnet.com/7723-13973_102-542437/service-issues-click-here-for-help/
Regards,
HD Tech
Covering only 1/8 of the screen. Are black lines more promising on the cheap repair end over colered? Model # Samsung UN46C6300 Series 6 46" Class LED HDTV

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