Have you tried putting the original RAM back in, if yes and still no video. provide information about your computer, is it a custom build or brand name such as Dell or HP, if a brand name, provide the model name or series number (not serial) if a custom build post the brand and model name or number for the CPU, MB, the new RAM, add on video card if one is used and the PSU (power supply unit) providing these details will enable folk to better assist you.