Ati radeon 5450 settings for crysis 2

^I think that was a remarkable example of politeness. I would not have though a HD5450 would be able to play Crisis 2 even on the lowest possible settings.
What is the resolution of your monitor, and can you afford to upgrade your GPU? If so, please post your budget and your system specs, especially the brand and model (not just wattage) of your PSU.