did you try to check the VGA connector maybe cause a damage or not properly connected due encounter block screen or no signal or question mark sign like this (?) color yellow or use other VGA connector try to do it
it say no input after boot, for your information, i use DVI input on HD4870 gfx. when i try with old...
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it say no input after boot, for your information, i use DVI input on HD4870 gfx. when i try with old CRT monitor, no problem at all, what could be the cause? i have tried with 8800GTS on DVI input, no probelm too.