Overheated computer during install #iATKOS

Hi i where about to install the 10.7 on my computer but after a few minutes my computer got overheated and did shutdown and now i only get in to Chameleon i can't boot to the windows or the new, is it someway you can make the computer reinstall 10.7 from the Chameleon meny or is the computer dead? im new with this so that's why my osx words aren't so good :P