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Dual Monitors & ATI Radeon HD 5450 Video Card

February 20, 2013 5:48:46 AM

Hello, I have connected ATI Radeon HD 5450 Video Card to my Panasonic plasma tv by HDMI cable and Asus H233H monitor by normal AV cable. Have Windows 7 Home premium and problem is do not have video on Panasonic tv.
Have adjusted Video card and W7 automatically detected plazma tv . HDMI cable is 10 mtr long and I can see that there is some signal on TV but screen is black.
Thanks in advance for your advices.