are you going to make?
Bob gave you an answer in your OP in the Samsung Forum.
hy guys .. does someone how i can acces my bios on an samsung ? it haded wind 8 and i wanna instal wind7, but after i've made some changes in bios when it restarted said to press f2 for setup (which does nothing just restarts the computer) and press f4 for recovery... i've done that too but after the recovery ends it enters on the same screen ... and windows doesnt boot... i have the same screen which says all boot options are tried and to press f4 for recover with factory image or any other key for next boot loop iteration ...and if i do de recovery again i have the same result ... how can i enter bios now ? please help...