I've had a Samsung UN55C7000 for a little over a year now....up until yesterday morning I've had no problems with it...but when I turned the tv on yesterday it wasn't getting a signal from either of the two ports that I had devices plugged into (hdmi 1 and 2)...tried switching out the connections with two other brand cables and even buying a new one...nothing worked....so I tried the hdmi 3 port and it connected just fine with my cable box and ps3...tried connecting to hdmi 4 port to see if it would work and got the same no signal display...just wondering if anyone had any idea what the problem could be or a possible solution to it....have tried unplugging everything overnight then reconnecting and even did a factory reset by holding the exit button but neither fixed the problem....any help would be greatly appreciated! Thanks

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