Samsung series 5 notebook - cd eject issue

I can't eject the disk on my series 5. I Had just just done back up and reinstall of windows so now everytime i turn the notebook it wants to install again. FN + DEL doesn't work and as it's a series 5 it has the slot type cd.

does anyone have any sugestions apart form opeing the dam thing up..

Samsung series 5 notebook - cd eject issue